JE Pistons 173615 Piston Set 2618 Flat Top 4.030 Bore 1.25 CD .927 Pin 8Pc

Piston Set, 2618, Flat Top, 4.030 Bore, 1.250 CD, 0.927 Pin, Set of 8. Accumulator Groove, Combo 2, Contact Reduction, Double Pin Oilers, Pin Fit, 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 Small Block 23 Degree 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