BBTV 2M4907 Engine Piston Ring
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BBTV

BBTV 2M4907 Engine Piston Ring

Brand BBTV 2M4907
1st Oil Groove 3
1st Oil Ring Material Steel rail/stainless exp
1st Oil Ring Surface Treatment Chrome
2nd Groove 1.5
2nd Ring Surface Treatment Phosphate
Cylinder Quantity 8
2nd Ring Material Grey iron
Top Ring Material Steel
Engborein 4.055
Oversize Std
Top Groove 1.5
Top Ring Surface Treatment Plasma moly
Fits Chrysler, Dodge, and Jeep · 22 vehicles

Plasma moly top ring. Surface treatment helps support wear resistance in demanding engine service.

Steel and iron construction. Material mix supports sealing, stability, and oil control across the ring pack.

Standard bore sizing. Built for 4.055-inch bore applications with matched groove dimensions.

Cross-references MAHLE 42089CP and 5159 661AA for the same application. See all 2.

$140.00Free shipping
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Order total $140.00
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Free returns within 60 days if it doesn't fit when fitment is verified.
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Engine Piston Ring Set for V8 Applications

This engine piston ring set is built for select Chrysler, Dodge, and Jeep V8 applications with a 4.055-inch engine bore. Part number 2M4907 uses a plasma moly top ring, a phosphate-treated second ring, and a chrome-treated oil ring for controlled sealing and oil management.

Key Features

  • Standard oversize configuration for the listed engine applications
  • Plasma moly top ring surface for improved wear resistance
  • Phosphate-treated second ring for added surface protection
  • Steel top ring and grey iron second ring construction
  • Steel rail and stainless expander oil ring design
  • Fits engines with 1.50 mm top and second grooves and a 3.00 mm oil groove

Detailed Description

Part number 2M4907 is an engine piston ring set for 8-cylinder engines with a 4.055-inch bore. The ring package combines a steel top ring with a plasma moly surface, a grey iron second ring with phosphate treatment, and a steel rail/stainless expander oil ring with chrome treatment. These materials and finishes are selected to support compression sealing, oil control, and ring durability in Chrysler 300, Dodge Charger, Dodge Challenger, Dodge Magnum, and Jeep Grand Cherokee applications.

This part cross-references Monroe Shocks & Struts (e.g., 5159 661AA) and MAHLE (e.g., 42089CP) for the same application.

What It Is Used For

  • Restoring cylinder compression control
  • Reducing oil consumption from worn ring packs
  • Addressing blow-by caused by ring wear
  • Replacing rings with damaged or heat-affected surfaces
  • Supporting proper sealing in high-mileage V8 engines

Installation Notes and Tips

Verify the engine bore, groove widths, and ring profile before installation. This set is specified for 4.055-inch bore applications with 1.50 mm top and second grooves and a 3.00 mm oil groove. Clean the ring lands thoroughly and confirm end gaps during assembly. Fitment includes 2005-2010 Chrysler 300, 2006-2010 Dodge Charger, 2008-2010 Dodge Challenger, 2006-2008 Dodge Magnum, and 2006-2009 Jeep Grand Cherokee applications as listed.

Quality Assurance

Part number 2M4907 is specified with defined ring materials and surface treatments for the listed engine applications. The construction details support consistent sealing performance and wear control when matched to the correct bore and groove dimensions.

This part fits 22 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersFuel TypeNotes
2010Chrysler300C SRT86.1LV8GASEngBoreIn:4.055 in;Top Groove:1.50 mm;2nd Groove:1.50 mm;1st Oil Groove:3.00 mm; Plasma Moly Top Ring ;8Cyl Ring Set; Top Ring Surface Treatment: Plasma Moly
2010DodgeChallengerSRT86.1LV8GASEngBoreIn:4.055 in;Top Groove:1.50 mm;2nd Groove:1.50 mm;1st Oil Groove:3.00 mm; Plasma Moly Top Ring ;8Cyl Ring Set; Top Ring Surface Treatment: Plasma Moly
2010DodgeCharger—6.1LV8—Top Ring Surface Treatment: Plasma Moly
2010JeepGrand CherokeeSRT86.1LV8GASEngBoreIn:4.055 in;Top Groove:1.50 mm;2nd Groove:1.50 mm;1st Oil Groove:3.00 mm; Plasma Moly Top Ring ;8Cyl Ring Set; Top Ring Surface Treatment: Plasma Moly
2009Chrysler300C SRT86.1LV8GASEngBoreIn:4.055 in;Top Groove:1.50 mm;2nd Groove:1.50 mm;1st Oil Groove:3.00 mm; Plasma Moly Top Ring ;8Cyl Ring Set; Top Ring Surface Treatment: Plasma Moly
2009DodgeChallengerSRT86.1LV8GASEngBoreIn:4.055 in;Top Groove:1.50 mm;2nd Groove:1.50 mm;1st Oil Groove:3.00 mm; Plasma Moly Top Ring ;8Cyl Ring Set; Top Ring Surface Treatment: Plasma Moly
2009DodgeCharger—6.1LV8—Top Ring Surface Treatment: Plasma Moly
2009JeepGrand CherokeeSRT86.1LV8GASEngBoreIn:4.055 in;Top Groove:1.50 mm;2nd Groove:1.50 mm;1st Oil Groove:3.00 mm; Plasma Moly Top Ring ;8Cyl Ring Set; Top Ring Surface Treatment: Plasma Moly
2008Chrysler300C SRT86.1LV8GASEngBoreIn:4.055 in;Top Groove:1.50 mm;2nd Groove:1.50 mm;1st Oil Groove:3.00 mm; Plasma Moly Top Ring ;8Cyl Ring Set; Top Ring Surface Treatment: Plasma Moly
2008DodgeChallengerSRT86.1LV8GASEngBoreIn:4.055 in;Top Groove:1.50 mm;2nd Groove:1.50 mm;1st Oil Groove:3.00 mm; Plasma Moly Top Ring ;8Cyl Ring Set; Top Ring Surface Treatment: Plasma Moly
2008DodgeCharger—6.1LV8—Top Ring Surface Treatment: Plasma Moly
2008DodgeMagnum—6.1LV8—Top Ring Surface Treatment: Plasma Moly
2008JeepGrand Cherokee—6.1LV8—Top Ring Surface Treatment: Plasma Moly
2007Chrysler300C SRT86.1LV8GASEngBoreIn:4.055 in;Top Groove:1.50 mm;2nd Groove:1.50 mm;1st Oil Groove:3.00 mm; Plasma Moly Top Ring ;8Cyl Ring Set; Top Ring Surface Treatment: Plasma Moly
2007DodgeCharger—6.1LV8—Top Ring Surface Treatment: Plasma Moly
2007DodgeMagnum—6.1LV8—Top Ring Surface Treatment: Plasma Moly
2007JeepGrand Cherokee—6.1LV8—Top Ring Surface Treatment: Plasma Moly
2006Chrysler300C SRT86.1LV8GASEngBoreIn:4.055 in;Top Groove:1.50 mm;2nd Groove:1.50 mm;1st Oil Groove:3.00 mm; Plasma Moly Top Ring ;8Cyl Ring Set; Top Ring Surface Treatment: Plasma Moly
2006DodgeCharger—6.1LV8—EngBoreIn:4.055 in;Top Groove:1.50 mm;2nd Groove:1.50 mm;1st Oil Groove:3.00 mm; Plasma Moly Top Ring ;8Cyl Ring Set; Top Ring Surface Treatment: Plasma Moly
2006DodgeMagnum—6.1LV8—Top Ring Surface Treatment: Plasma Moly
2006JeepGrand Cherokee—6.1LV8—Top Ring Surface Treatment: Plasma Moly
2005Chrysler300C SRT86.1LV8GASEngBoreIn:4.055 in;Top Groove:1.50 mm;2nd Groove:1.50 mm;1st Oil Groove:3.00 mm; Plasma Moly Top Ring ;8Cyl Ring Set; Top Ring Surface Treatment: Plasma Moly
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
MAHLE — 42089CP5159 661AA