JE Pistons 157064 Piston Set Kit 4.030" Bore 1.25 CD .927 Pin for Chevy SB 8Pc

Piston Set, 2618, Flat Top, 4.030 Bore, 1.250 CD, 0.927 Pin, Set of 8. Pins, Wire Locks, and Pin Fit. Forged in the USA using 4032 aluminum, yielding tensile strength and minimal thermal expansion, SRP Pistons are designed and manufactured to reduce machining costs without sacrificing strength or performance characteristics. Designed specifically for 23 Degree Small Block Chevy Engines to provide optimized performance durability Includes high-quality wrist pins, forced wrist pin oiling and locks Made 100% in the USA Pin Fit: The pin bore is precision honed to attain an exact pin clearance. Clearances typically range from .0003 to .0010 between the wrist pin and pin bore.