CHEVROLET SMALL BLOCK 4.155 BORE0.927 PINDOME1.260 CDPISTON SET/8

SRP Professional pistons are advanced lightweight FSR forgings offering superior strength and are up to 20% lighter than traditional equivalent pistons. They are made from high-silicon 2618 aluminum alloy for reduced piston-to-wall clearance and quiet operation. These pistons feature accumulator grooves for improved ring seal and are designed for normally aspirated or moderate forced induction nitrous engine applications. They come standard with high-performance skirt coating and low drag performance piston rings. Designed for use with the most popular 23° heads. CNC machined domes with radiused valve reliefs for optimum flame travel. Optional bearing steel pins available. Pin fitting and double spiro locks included. 927-2750-150 wall wrist pin (130 grams) included. CNC Machined ring grooves accept 1/16", 1/16", 3/16" rings (Rings Sold Separately).