400 SBC FLAT TOP -5C

SRP Professional pistons by JE Pistons are advanced lightweight FSR forgings made from high-silicon 4032 aluminum alloy for superior strength and reduced piston-to-wall clearance. Features include accumulator grooves for improved ring seal, a high-performance skirt coating, and low drag performance piston rings. Designed for normally aspirated or moderate forced induction/nitrous applications. Includes Forced Pin Oiler, pin fitting, and double spiro locks. 927-2750-150 wall wrist pin (130 grams) included. CNC Machined ring grooves accept 1/16, 1/16, 3/16mm rings (Rings Sold Separately).