Flat Top Pistons

JE Pistons LS 4.030 Bore 4.100 Stroke -5.0cc Flat Top Piston Set 311993 JE Pistons asymmetrical FSR (Forged Side Relief) piston line incorporates modern forging design with a larger skirt on the major thrust side and smaller, friction-reducing skirt on...

Diamond LS2K 4.030 Bore 4.125 Stroke -4.8cc Flat Top Piston Kit 21533-RS-8 Features: 3D milling on piston crowns for ready to install finish Inboard forging design with fully machined under crown for maximum strength Valve pockets designed to work with...

Diamond LS2K LS 4.030 Bore 4.125 Stroke -3cc Flat Top Piston Kit 21520-RS-8 Features: 3D milling on piston crowns for ready to install finish Inboard forging design with fully machined under crown for maximum strength Valve pockets designed to work with...