BCBC V1708 Engine Exhaust Valve
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BCBC V1708 Engine Exhaust Valve

Brand BCBC V1708
Material Stainless steel
Locks Included No
Oversized No
Valve Head Diameter 1.181
Valve Head Diameter 30.0
Length 116.0
Length 4.579
Coated Finish Yes
Grade Type Standard replacement
Seat Angle 45.0
Lock Groove Quantity 3
Stem Diameter 0.274
Stem Diameter 7.0
Product line Stock
Fits Ford, Lincoln, and Mercury · 33 vehicles

Stainless steel build. Provides durable exhaust-valve construction for service replacement.

Coated finish. Adds surface protection for demanding valve train conditions.

Precision-made valve. Melling engineering targets exact exhaust-valve specifications.

Cross-references DNJ EV4131, Marmon Ride Control A2843 and 10-1708 for the same application. See all 8.

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Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Engine Exhaust Valve options

Engine Exhaust Valve Overview

This Melling exhaust valve, part number V1708, is a standard replacement valve for select Ford and Lincoln applications. It is built for buyers who need a stainless steel valve with coated finish details and OE-style dimensions for valve train service.

Key Features

  • Stainless steel construction for exhaust-side durability.
  • Coated finish for added surface protection.
  • Standard replacement grade for service work.
  • 45-degree seat angle with a 1.181-inch valve head diameter.
  • 7.0 mm stem diameter and 116.0 mm overall length.
  • Three lock grooves and no locks included.

Detailed Description

Melling part number V1708 is an engine exhaust valve engineered with precision manufacturing and alloy selection to meet demanding valve train requirements. The stainless steel design and heat-resistant construction support consistent exhaust-valve operation in applications such as the Ford Mustang, Lincoln Navigator, and Lincoln Continental. This valve is listed for stock applications and is intended for service where correct head diameter, stem diameter, seat angle, and length are required for proper fitment and sealing.

This part cross-references DNJ EV4131 and Marmon Ride Control A2843 for the same application.

What It Is Used For

  • Replacing a worn or heat-damaged exhaust valve.
  • Restoring proper sealing at the valve seat.
  • Addressing valve train wear in stock engine service.
  • Supporting compression loss caused by valve leakage.
  • Correcting exhaust-valve fitment issues tied to stem or head dimensions.

Installation Notes and Tips

Verify valve head diameter, stem diameter, seat angle, and overall length before installation. Match the stock application requirements for the Ford Mustang, Lincoln Navigator, Lincoln Aviator, Mercury Marauder, Lincoln Blackwood, Lincoln Continental, and Lincoln Mark VIII listed in the fitment data. Professional cylinder head service and inspection of guides, seats, and seals are recommended during replacement.

Quality Assurance

Melling uses precision engineering, superior-grade alloy materials, and advanced manufacturing processes to produce exhaust valves with high fatigue strength and heat resistance. Part number V1708 is built to meet the specifications required for durable valve train service.

Related reading

This part fits 33 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersNotes
2005LincolnAviator—4.6LV8Stock
2004FordMustangSVT Cobra4.6LV8Stock
2004LincolnAviator—4.6LV8Stock
2004LincolnNavigator—5.4LV8Stock
2004MercuryMarauder—4.6LV8Stock
2003FordMustangSVT Cobra4.6LV8Stock
2003LincolnAviator—4.6LV8Stock
2003LincolnNavigator—5.4LV8Stock
2003MercuryMarauder—4.6LV8Stock
2002LincolnBlackwood—5.4LV8Stock
2002LincolnContinental—4.6LV8Stock
2002LincolnNavigator—5.4LV8Stock
2001FordMustangSVT Cobra4.6LV8Stock
2001LincolnContinental—4.6LV8Stock
2001LincolnNavigator—5.4LV8Stock
2000LincolnContinental—4.6LV8Stock
2000LincolnNavigator—5.4LV8Stock
1999FordMustangSVT Cobra4.6LV8Stock
1999LincolnContinental—4.6LV8Stock
1999LincolnNavigator—5.4LV8Stock
1998FordMustangSVT Cobra4.6LV8Stock
1998LincolnContinental—4.6LV8Stock
1998LincolnMark VIII—4.6LV8Stock
1997FordMustangSVT Cobra4.6LV8Stock
1997LincolnContinental—4.6LV8Stock
1997LincolnMark VIII—4.6LV8Stock
1996FordMustangSVT Cobra4.6LV8Stock
1996LincolnContinental—4.6LV8Stock
1996LincolnMark VIII—4.6LV8Stock
1995LincolnContinental—4.6LV8Stock
1995LincolnMark VIII—4.6LV8Stock
1994LincolnMark VIII—4.6LV8Stock
1993LincolnMark VIII—4.6LV8Stock
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
DNJ — EV4131Marmon Ride Control — A284310-170801708E-2843F3LY 6505-AV-4479V2843