JE 297179 Pistons kit BMW S50B30US 9:1 (Set of 6 pic) Bore 86,00 STD Stroke 85,80 CR9.0:1 ymm_3 and body-contouring design to enhance

and body-contouring design to enhance vehicle control and stability during dynamic driving

Direct Service Replacement for 877436-5001S

and reliable braking throughout long stints

The exhaust features the classic S-Type sound with no interior drone and includes a 4" round polished T-304 stainless steel tip

The rear resonator assembly includes an internal H-Pipe for increased performance and improved sound

JE 297179 Pistons kit BMW S50B30US 9:1 (Set of 6 pic) Bore 86,00 STD Stroke 85,80 CR9.0:1 ymm_3 and body-contouring design to enhanceDESCRIPTION: Piston Set, 2618, Inv Dome Dish, 3. 386 Bore, 1. 291 CD, 0. 866, Pin Dia, Set of 6. Bore (in) 3. 386 Bore (mm) 86. Top Compression Ring Thickness 0. 0400 Second Compression Ring Thickness 0. 0480 Oil Ring Thickness 0. 111 Forging Type FSR Volume (cc) 23. 60 Series JE Pistons Piston Head Type Inv Dome Dish Pin Diameter (IN) 0. 866 Compression Height 1. 291 Make BMW Wrist Pin Style floating or press fit Floating Wall Type CHAMFERED Wall