Flat Top Pistons

Diamond LS2K LSX 4.125 Bore 3.622 Stroke -4.8cc Flat Top Piston Kit 21565-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...

JE Pistons LS 4.125 Bore 3.622 Stroke -5.0cc Flat Top Piston Set 311969 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 Gen V LT2K LT1/LT4 4.125 Bore 3.622 Stroke -12.0cc Piston Kit 21605-RS-8 Forced pin oilers from the oil ring; Pin Fitted; Moly Coated Skirts; 3D Pockets; Inboard Forging; Pins, Lock's & Support Rails (if required) included. Piston Features: ...

Diamond Gen V LT2K LT1/LT4 4.125 Bore 3.622 Stroke -4.0cc Piston Kit 21602-RS-8 Forced pin oilers from the oil ring; Pin Fitted; Moly Coated Skirts; 3D Pockets; Inboard Forging; Pins, Lock's & Support Rails (if required) included. Piston Features: ...

Mahle PowerPak LS 4.125 Bore 3.622 Stroke -5.8cc Flat Top Piston Kit 930226925 The MAHLE Motorsport PowerPak kit was developed for high performance street, sportsman and pro class racers. The PowerPak pistons are made from either 4032 aluminum alloy to...

JE Pistons Ultra Series LS 4.125 Bore 3.622 Stroke -5cc Flat Top Piston Set 361713 JE Pistons Ultra Series pistons combine all of the best, most desirable piston features, such as thermal barrier crown coating, lateral gas ports, thick-wall wrist pins,...