Mahle MS Piston Set GM LS 403ci 4.005in Bore 4in Stroke 6.125in Rod .927 Pin -4cc 11.5 CR Set of 8

LS 5.7L & 6.0L FLAT TOP - compatable with LS1/2/6 style cathedral port heads 403cid 4.005 x 1.105CH, 4.000stroke,6.125rod,0.927pin,-4.0cc,405g,11.7CR, 4032.