LS7 Asymmetrical FSR Flat Top Forged Piston J311989 Product:4.185" bore, 4.000" stroke, 6.125" rod length, -5cc dome volume the tip of the valve

the tip of the valve stem must withstand a tremendous amount of pounding

Backed by a Limited 24-month Warranty against manufacturer defects

or the new HP or Race models

Lower Coil-Over Shock Mount KitSuit 3" O

AF59-5000BLK

LS7 Asymmetrical FSR Flat Top Forged Piston J311989 Product:4.185" bore, 4.000" stroke, 6.125" rod length, -5cc dome volume the tip of the valveLS7 Asymmetrical FSR Flat Top Forged Piston4. 185" bore, 4. 000" stroke, 6. 125" rod length, 5cc dome volume J311989 11989 GM LS Flat Top Our brand new Asymmetrical FSR (Forged Side Relief) forging design allows for the use of the most popular stroke and rod combinations while eliminating reluctor wheel clearance problems. Asymmetrical forging design maintains a larger skirt on the heavily stressed major thrust side, while reducing friction with a