SMALL BLOCK CHEVY 305ci FLAT TOP Gasported / Asymmetrical Valve Pockets PowerPak Plus 310cid 3.766 x 1.550CH, 3.480stroke,5.700rod,0.927pin,-1.6cc,409g,9.7CR, 4032.
SMALL BLOCK CHEVY 305ci FLAT TOP Gasported / Asymmetrical Valve Pockets PowerPak Plus 312cid 3.776 x 1.550CH, 3.480stroke,5.700rod,0.927pin,-1.6cc,413g,9.8CR, 4032.
SMALL BLOCK CHEVY 305ci FLAT TOP Gasported / Asymmetrical Valve Pockets PowerPak Plus 313cid 3.786 x 1.550CH, 3.480stroke,5.700rod,0.927pin,-1.6cc,417g,9.8CR, 4032.
SMALL BLOCK CHEVY 305ci FLAT TOP Gasported / Asymmetrical Valve Pockets PowerPak Plus 315cid 3.796 x 1.550CH, 3.480stroke,5.700rod,0.927pin,-1.6cc,421g,9.9CR, 4032.
LS 5.7L & 6.0L FLAT TOP - compatable with LS1/2/6 style cathedral port heads 346cid 3.898 x 1.340CH, 3.622stroke,6.098rod,0.945pin,-4.1cc,407g,10.2CR, 4032.
LS 5.7L & 6.0L FLAT TOP - compatable with LS1/2/6 style cathedral port heads 347cid 3.905 x 1.314CH, 3.622stroke,6.125rod,0.927pin,-4.1cc,408g,10.2CR, 4032.
LS 5.7L & 6.0L FLAT TOP - compatable with LS1/2/6 style cathedral port heads 348cid 3.908 x 1.340CH, 3.622stroke,6.098rod,0.945pin,-4.1cc,411g,10.2CR, 4032.