Crower Valve Locks - 10 Callies Performance Products and 70cc exhaust ports

and 70cc exhaust ports

ARP high performance bolts are rated at 180/000 psi tensile strength / and have a wide-area flange to provide even load distribution during torquing

reliability and light weight

570 exhaust valves these heads move massive amounts of air

Bert Late Model Sub Assembly

Crower Valve Locks - 10 Callies Performance Products and 70cc exhaust portsProduct Description: Valve Lock Jumbo 10 Degree 11 32 in Valve Stem Standard Height Chromoly Black Oxide Set of 32 Crower Cams and Equipment Company, Inc., is a leading producer of aftermarket camshafts and valve train components. But over the years Crower has developed a more diverse line of products. Today, Crower is the world's largest manufacturer of aftermarket crankshafts and connecting rods, and the Crower line of clutches has been dominating