400 SBC DOME 9CC

SRP Professional pistons are the most advanced lightweight FSR forging that offers superior strength. SRP pistons are up to 20% lighter than traditional equivalent pistons. High-silicon 2618 aluminum alloy for reduced piston-to-wall clearance and quiet operation. Accumulator grooves for improved ring seal. Designed for normally aspirated or moderate forced induction nitrous engine applications. SRP professional pistons 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 provide 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, 3/16mm rings (Rings Sold Separately).