Wiseco Chevrolet LS -4cc Flat Top 1.294 X 4.145 - Set of 8

The Wiseco RED0077X145 RED Series Piston Set is designed for modified Chevrolet LS engines that have been overbored to 4.145 inches. These flat-top pistons feature a -4.0cc volume and are constructed from durable 2618 forged aluminum. They are compatible with a 3.622" crankshaft stroke and 6.125" connecting rods. The set includes eight pistons and rings (1.2mm, 1.2mm, 3.0mm piston ring sizes) and comes with ArmorGlide skirt coating for reduced friction and extended life. The pistons have a compression height of 1.294" and a wrist pin size of 0.927". Compression ratios vary with head volume, ranging from 11.9:1 with 58cc heads to 10.2:1 with 72cc heads, fitting both 15-degree and 12-degree cylinder heads.