JE Pistons Chevrolet LS Gen III/IV 4.005in Bore 1.300in CH -5.00 CC Piston Set

Chevy LS2 LS3 LS6 L92 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 4032 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. Lightweight, low friction metric ring package included: 1.2mm Carbon Steel top ring, 1.5mm Napier 2nd ring, 3.0mm oil ring. Minimal filing required. Pins and Locks: High quality .927 Diameter 2.250" pin further reduces reciprocating weight. Carbon steel wire locks included.