JE Pistons 345625 Piston Set 2618 Dome 3.406 Bore 1.245 CD .827 Pin 6pc

Piston Set, 2618, Dome, 3.406 Bore, 1.245 CD, 0.827 Pin, Set of 6. Accumulator Groove, Smooth Crown Finish, and Pin Fit. Sport Compact, Import and European Pistons are engineered, forged and machined 100% in the USA Forged in the USA using 2618 aluminum, yielding tensile strength and minimal thermal expansion Designed specifically for BMW S50B30 Euro Engines. To provide optimized performance durability Proprietary Forged Side Relief (FSR) forging design minimizes friction and power loss with reduced skirt width and saves additional weight with a shorter wrist pin Includes high-quality wrist pins, locks, and JE Pro Seal premium piston rings Made 100% in the USA