JE Pistons 182020 Piston Set Kit 4.030" Bore 1.550 CD .927 Pin for Chevy SB 8Pc

Piston Set, 2618, Dome, 4.030 Bore, 1.550 CD, 0.927 Pin, Set of 8. Accumulator Groove, Smooth Crown Finish, Combo 2, Contact Reduction, Double Pin Oilers, and Pin Fit. JE Auto Pistons are engineered, forged and machined 100% in the USA Forged in the USA using 2618 aluminum, yielding high tensile strength needed for high-demand performance applications Designed specifically for 23 Degree Small Block Chevy 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, and locks Made 100% in the USA