Mahle MS Piston Set Chevy SB 393ci 4.155in Bore 3.625 Stroke 6.125 Rod .927 Pin 4cc 12.7CR

Engine Piston Kit 420ci,4.155bore,3.625/3.875stroke,6.125/6.0rod,1.062Rch,.927pin,4cc,TBDg,12.4/13.2cr,2618.