arp valve cover bolts, chromoly, black oxide, hex head, 6mm thread size, for chevrolet duramax 6.6l (lb7), set of 46

ARP valve cover bolt kits are offered in a choice of chromoly steel with a black oxide finish or corrosion-proof polished stainless steel. You also have a choice between hex head and easy-access 12-point designs. The heads feature a wide base for better load distribution and sealing.