Mahle MS Piston Set Chevy SB 389ci 4.130in Bore 3.625 Stroke 6.125 Rod .927 Pin 9cc 13.5CR -Set Of 8 - 197754730

SMALL BLOCK CHEVY 23? DOME Gasported / Asymmetrical Valve Pockets PowerPak Plus 389cid 4.130 x 1.062RCH, 3.625stroke,6.125rod,0.927pin,9.0cc,444g,13.5CR, 2618.