JE Pistons 330136 Piston Set 2618 Dome 4.610 Bore 1.155 CD .99 Pin 8pc

Piston Set, 2618, Dome, 4.610 Bore, 1.155 CD, 0.990 Pin, Set of 8. Accumulator Groove, Smooth Crown Finish, Combo 2, Contact Reduction, Double Pin Oilers, Pin Fit, 3D Undercrown Milling, and Lateral Gas Ports. 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 Chevrolet Big Block 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