Wiseco K446X155 - Chevy LS Series -18cc Dish 4.155" Bore Pistons

Comes as a set of 8 Pistons Bore 4.155" Stroke 4.000" Compression Height 1.110" Compression Ratio at: 65cc / 66cc / 68cc / 70cc 10.4 / 10.2 / 10.1 / 10 Rod Length 6.125" Volume -18cc Pin 0.927 Weight 456g • ArmorGlide Skirt Coating • 0.150 wall pin & Spirolox • Pin Upgrade Recommended over 700HP (P/N S718) • Anti-detonation & pressure seal grooves • 2618 High Strength Alloy • C/R at 0 deck with 0.051 gasket • Premium 1.2mm, 1.2mm, 3.0mm GFX Rings included