AFR is proud to announce the release of our NEW Enforcer series of As-Cast cylinder heads. Comprised of four new budget friendly cylinder heads, these price conscience offerings come fully assembled and use the same high quality components found in our higher end CNC ported cylinder heads, such as ARP rockers studs, PAC Racing springs, Viton valve seals, hardened spring cups, ductile Iron seats, AFR adjustable guide plates and our Stainless Steel valves.