JE 345626S Piston BMW S50B30 9:1 (Single Piece Set) ymm_43 Forge then reprinted the full

Forge then reprinted the full prototype and left this on the vehicle

The system delivers the classic S-Type sound with no drone inside the vehicle

delivering increased performance while maintaining OEM installation compatibility

21 21 1 225 884

Valve Stem Diameter: 6 mm

JE 345626S Piston BMW S50B30 9:1 (Single Piece Set) ymm_43 Forge then reprinted the fullDESCRIPTION: Piston Set, 2618, Dome, 3. 386 Bore, 1. 245 CD, 0. 827, Pin Dia, Set of 1. 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) 4. 30 Series JE Pistons Piston Head Type Dome Pin Diameter (IN) 0. 827 Compression Height 1. 245 Make BMW Wrist Pin Style floating or press fit Floating Wall Type CHAMFERED Wall Thickness (IN) 0. 150