Flat Top Pistons

JE Pistons LS 4.010 Bore 3.622 Stroke -5.0cc Flat Top Piston Set 311963 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...

JE Pistons Ultra Series LS 4.010 Bore 3.622 Stroke -5cc Flat Top Piston Set 361712 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...