Mahle MS Piston Set GM LS 428ci 4.130in Bore 4in Stk 6.067in Rod .927 Pin -3cc 12.2 CR Set of 8

LS 7.0L FLAT TOP - compatable with LS7 style heads 429cid 4.130 x 1.181CH, 4.000stroke,6.067rod,0.927pin,-2.5cc,450g,11.8CR, 4032.