LS 5.7L & 6.0L FLAT TOP - compatable with LS1/2/6 style cathedral port heads 364cid 4.000 x 1.314CH, 3.622stroke,6.125rod,0.927pin,-4.0cc,430g,10.7CR, 4032.
LS 5.7L & 6.0L FLAT TOP - compatable with LS1/2/6 style cathedral port heads 365cid 4.005 x 1.314CH, 3.622stroke,6.125rod,0.927pin,-4.0cc,432g,10.7CR, 4032.
LS 5.7L & 6.0L FLAT TOP - compatable with LS1/2/6 style cathedral port heads 366cid 4.010 x 1.340CH, 3.622stroke,6.098rod,0.945pin,-4.0cc,435g,10.7CR, 4032.