4032CHEVROLET BIG BLOCK 4.280 BORE0.99 PINDOME1.395 CDPISTON SET/8

SRP Professional pistons are lightweight FSR forgings made from high-silicon 4032 aluminum alloy for superior strength, reduced piston-to-wall clearance, and quiet operation. They feature accumulator grooves for improved ring seal and are suitable for normally aspirated or moderate forced induction nitrous engine applications. Standard features include high-performance skirt coating, low drag performance piston rings, CNC machined domes with radiused valve reliefs, pin fitting, and double spiro locks (#990-042-CS) with 990-2930-15-51S wrist pins (150 grams). CNC machined ring grooves accept 1/16", 1/16", 3/16" rings (Sold Separately). Designed to fit Edelbrock performer & RPM series heads (110 & 112cc), most open chamber GM, Dart, and Brodix Heads.