Gm/Chevrolet performance fast burn alloy heads, intake, exhaust
Gm/Chevrolet performances biggest/largest small block Chev fast burn Alloy heads produced by GM. Part number*****4298. Turned into GM19300955. Almost complete top end package with majority of all the bolts, gaskets and 4/5ths of exhaust too suit hq-wb. Heads- reconditioned with .008 thou taken off. New genuine gm LS 2.00 intake valves. Used 1.55 exhaust valves. New genuine gm beehive valve spring kit fitted with new retainers and valve locks. These heads are the original second design turned in