6020-4000 425 Big Block Oldsmobile FX Series -12cc Flat Top Oldsmobile Forged Piston Set 4.000 inch bore Pin Dia.: 0.98" Comp Height: 1.625"
$669.95
400 Big Block Oldsmobile, FX, Comp Height: 1.625, -12cc Flat Top , PIN: .98", Full-Floating or Press Fit, Ring Groove: 1/16-1/16-3/16" , Stroke: 3.975", ROD: 7, Approx Comp Ratio: 72cc-9.88, 75cc-9.61, 77cc-9.43
Show More
Show Less