FMBP
Performance

FMBP 498504 Engine Rocker Arm

Brand FMBP 498504
Material Cast steel
Rocker Arm Type Roller
Rocker Arm Finish Anti rust
Rocker Arm Material Cast steel
Grade Type Performance
Self Aligning Yes
Shims Included No
Mounting Type Shaft
Product line Performance
Fits Ford, Lincoln, and Mercury · 312 vehicles

Roller design. Reduces friction at the contact point for smoother valvetrain movement.

Cast steel construction. Provides a strong, durable rocker arm body for engine service and rebuilds.

Self-aligning fit. Helps maintain stable tracking in shaft-mounted valvetrain setups.

$29.97Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $29.97
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Performance rocker arm for modular Ford engines

This Melling Performance rocker arm is built for modular Ford applications that need a roller-style valvetrain component with a shaft mounting design. It uses cast steel construction, an anti-rust finish, and a self-aligning design to support consistent valvetrain operation in compatible engine builds.

Key features

  • Roller rocker arm design for reduced friction at the contact point
  • Cast steel construction for strength and durability
  • Anti-rust finish for added surface protection
  • Self-aligning design for stable valvetrain tracking
  • Shaft-mounted configuration for modular engine applications
  • Performance grade part for rebuilds and upgrades

Detailed application information

Part number 498504 is listed for a wide range of Ford, Lincoln, and Mercury vehicles with modular 4.6L and 5.4L engine families, including applications such as the Ford F-150, Ford Mustang, and Lincoln Navigator. The fitment data also covers many E-Series vans, Super Duty trucks, and related performance and utility models. Melling notes that rocker arms are offered for domestic and import use, with material selection based on OEM design requirements. Part number 498504 is a practical choice when replacing valvetrain components during engine service or rebuild work.

What this part is used for

  • Replacing worn rocker arms in modular engine valvetrains
  • Restoring proper valve actuation and motion transfer
  • Addressing noise or wear related to rocker arm surfaces
  • Supporting rebuilds that require renewed valvetrain components
  • Maintaining consistent operation in performance-oriented engine setups

Installation notes and tips

Verify engine family, valvetrain design, and shaft-mount configuration before ordering. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application. During installation, inspect related valvetrain components and follow the engine builder or service manual procedure for torque and adjustment specifications.

Quality assurance

Melling recommends replacing rocker arms and related components during every engine rebuild to help maintain long engine life and efficient performance. The brand uses materials and manufacturing processes selected to meet application-specific OEM design requirements.

This part fits 312 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelNotes
2018FordE-350 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2017FordE-350 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2016FordE-350 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2016FordE-450 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2015FordE-350 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2015FordE-450 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2014FordE-150—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2014FordE-250—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2014FordE-350 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2014FordE-450 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2013FordE-150—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2013FordE-250—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2013FordE-350 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2013FordE-450 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2013FordEconoline Wagon—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2012FordE-150—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2012FordE-250—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2012FordE-350 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2012FordE-450 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2012FordEconoline Wagon—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2011FordCrown Victoria—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2011FordE-150—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2011FordE-250—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2011FordE-350 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2011FordE-450 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2011FordEconoline Wagon—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2011LincolnTown Car—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2011MercuryGrand Marquis—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2010FordCrown Victoria—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2010FordE-150—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2010FordE-250—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2010FordE-350 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2010FordE-450 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2010FordEconoline Wagon—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2010FordExpedition—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2010FordF-150—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2010LincolnTown Car—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2010MercuryGrand Marquis—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2009FordCrown Victoria—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2009FordE-150—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2009FordE-250—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2009FordE-350 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2009FordE-450 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2009FordF-150—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2009FordF-350—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2009FordF-350 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2009LincolnTown Car—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2009MercuryGrand Marquis—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2008FordCrown Victoria—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2008FordE-150—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2008FordE-150 Econoline—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2008FordE-250—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2008FordE-350 Econoline—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2008FordE-350 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2008FordE-450 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2008FordExpedition—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2008FordF-150—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2008FordF-350—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2008FordF-350 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2008FordLobo—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2008LincolnTown Car—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2008MercuryGrand Marquis—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2007FordCrown Victoria—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2007FordE-150—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2007FordE-150 Econoline—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2007FordE-250—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2007FordE-350 Econoline—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2007FordE-350 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2007FordE-450 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2007FordExpedition—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2007FordF-150—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2007FordF-350—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2007FordF-350 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2007FordLobo—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2007LincolnTown Car—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2007MercuryGrand Marquis—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2006FordCrown Victoria—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2006FordE-150—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2006FordE-250—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2006FordE-350 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2006FordE-450 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2006FordEconoline—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2006FordExpedition—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2006FordF-150—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2006FordF-350—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2006FordF-350 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2006FordLobo—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2006LincolnTown Car—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2006MercuryGrand Marquis—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2005FordCrown Victoria—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2005FordE-150—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2005FordE-150 Club Wagon—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2005FordE-250—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2005FordE-350 Club Wagon—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2005FordE-350 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2005FordE-450 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2005FordEconoline—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2005FordExcursion—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2005FordExpedition—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2005FordExplorer—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2005FordF-150—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2005FordF-350—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2005FordF-350 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2005LincolnAviator—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2005LincolnTown Car—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2005MercuryGrand Marquis—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2005MercuryMountaineer—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2004FordCrown Victoria—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2004FordE-150—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2004FordE-150 Club Wagon—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2004FordE-250—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2004FordE-350 Club Wagon—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2004FordE-350 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2004FordE-450 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2004FordEconoline—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2004FordExcursion—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2004FordExpedition—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2004FordExplorer—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2004FordF-150—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2004FordF-150 Heritage—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2004FordF-250 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2004FordF-350—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2004FordF-350 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2004FordF-450 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2004FordF-550 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2004FordLobo—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2004FordMustangSVT CobraLightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2004LincolnAviator—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2004LincolnNavigator—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2004LincolnTown Car—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2004MercuryGrand Marquis—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2004MercuryMarauder—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2004MercuryMountaineer—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2003FordCrown Victoria—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2003FordE-150—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2003FordE-150 Club Wagon—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2003FordE-250—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2003FordE-350 Club Wagon—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2003FordE-350 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2003FordE-450 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2003FordE-550 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2003FordEconoline—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2003FordExcursion—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2003FordExpedition—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2003FordExplorer—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2003FordF-150—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2003FordF-250 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2003FordF-350—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2003FordF-350 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2003FordF-450 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2003FordF-550 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2003FordLobo—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2003FordMustangSVT CobraLightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2003LincolnAviator—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2003LincolnNavigator—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2003LincolnTown Car—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2003MercuryGrand Marquis—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2003MercuryMarauder—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2003MercuryMountaineer—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2002FordCrown Victoria—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2002FordE-150 Econoline—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2002FordE-150 Econoline Club Wagon—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2002FordE-250 Econoline—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2002FordE-350 Econoline Club Wagon—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2002FordE-350 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2002FordE-450 Econoline Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2002FordE-550 Econoline Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2002FordEconoline—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2002FordExcursion—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2002FordExpedition—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2002FordExplorer—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2002FordF-150—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2002FordF-250 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2002FordF-350—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2002FordF-350 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2002FordF-450 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2002FordF-550 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2002FordLobo—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2002FordMustang—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2002LincolnBlackwood—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2002LincolnContinental—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2002LincolnNavigator—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2002LincolnTown Car—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2002MercuryGrand Marquis—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2002MercuryMountaineer—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2001FordCrown Victoria—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2001FordE-150 Econoline—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2001FordE-150 Econoline Club Wagon—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2001FordE-250 Econoline—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2001FordE-350 Econoline Club Wagon—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2001FordE-350 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2001FordE-450 Econoline Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2001FordEconoline—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2001FordExcursion—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2001FordExpedition—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2001FordF-150—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2001FordF-250—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2001FordF-250 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2001FordF-350—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2001FordF-350 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2001FordF-450 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2001FordF-550 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2001FordLobo—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2001FordMustangSVT CobraLightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2001LincolnContinental—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2001LincolnNavigator—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2001LincolnTown Car—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2001MercuryGrand Marquis—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2000FordCrown Victoria—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2000FordE-150 Econoline—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2000FordE-150 Econoline Club Wagon—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2000FordE-250 Econoline—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2000FordE-350 Econoline—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2000FordE-350 Econoline Club Wagon—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2000FordE-350 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2000FordE-450 Econoline Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2000FordEconoline—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2000FordExcursion—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2000FordExpedition—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2000FordF-150—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2000FordF-250 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2000FordF-350—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2000FordF-350 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2000FordF-450 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2000FordF-550 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2000FordMustang—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2000LincolnContinental—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2000LincolnNavigator—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2000LincolnTown Car—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
2000MercuryGrand Marquis—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1999FordCrown Victoria—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1999FordE-150 Econoline—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1999FordE-150 Econoline Club Wagon—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1999FordE-250 Econoline—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1999FordE-350 Econoline—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1999FordE-350 Econoline Club Wagon—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1999FordE-350 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1999FordEconoline—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1999FordExpedition—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1999FordF-150—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1999FordF-250—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1999FordF-250 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1999FordF-350—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1999FordF-350 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1999FordF-450 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1999FordF-550 Super Duty—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1999FordMustangSVT CobraLightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1999LincolnContinental—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1999LincolnNavigator—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1999LincolnTown Car—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1999MercuryGrand Marquis—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1998FordClub Wagon—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1998FordCrown Victoria—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1998FordE-150 Econoline—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1998FordE-150 Econoline Club Wagon—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1998FordE-250 Econoline—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1998FordE-350 Econoline—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1998FordE-350 Econoline Club Wagon—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1998FordExpedition—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1998FordF-150—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1998FordF-250—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1998FordMustangSVT CobraLightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1998LincolnContinental—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1998LincolnMark VIII—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1998LincolnNavigator—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1998LincolnTown Car—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1998MercuryGrand Marquis—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1997FordClub Wagon—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1997FordCrown Victoria—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1997FordE-150 Econoline—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1997FordE-150 Econoline Club Wagon—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1997FordE-250 Econoline—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1997FordE-350 Econoline—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1997FordE-350 Econoline Club Wagon—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1997FordExpedition—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1997FordF-150—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1997FordF-250—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1997FordMustangSVT CobraLightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1997FordThunderbird—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1997LincolnContinental—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1997LincolnMark VIII—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1997LincolnTown Car—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1997MercuryCougar—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1997MercuryGrand Marquis—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1996FordCrown Victoria—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1996FordMustangSVT CobraLightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1996FordThunderbird—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1996LincolnContinental—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1996LincolnMark VIII—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1996LincolnTown Car—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1996MercuryCougar—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1996MercuryGrand Marquis—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1995FordCrown Victoria—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1995FordThunderbird—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1995LincolnContinental—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1995LincolnMark VIII—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1995LincolnTown Car—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1995MercuryCougar—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1995MercuryGrand Marquis—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1994FordCrown Victoria—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1994FordThunderbird—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1994LincolnMark VIII—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1994LincolnTown Car—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1994MercuryCougar—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1994MercuryGrand Marquis—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1993FordCrown Victoria—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1993LincolnMark VIII—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1993LincolnTown Car—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1993MercuryGrand Marquis—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1992FordCrown Victoria—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1992LincolnTown Car—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance
1992MercuryGrand Marquis—Lightest And Strongest Modular Finger Follower Available For Modular 4.6L/5.4L, 4V And 2V Engines; Performance