Mahle MS Piston Set Chevy SB 409ci 4.165in Bore 3.5/3.75 Stroke 6.125/6 Rod .927Pin -9cc 13.7CR 197779165

Mahle Piston Sets - Forged - 8cyl 197779165 SMALL BLOCK CHEVY 21 Degree FLAT TOP Gasported/Asymmetrical Valve Pockets PowerPak Plus . Mahle MS Piston Set Chevy SB 409ci 4.165in Bore 3.5/3.75 Stroke 6.125/6 Rod .927Pin -9cc 13.7CR