All machine work done. New bronze guides. New 2.08 stainless steel intake valves.New 1.64 stainless exh. valves.Surfaced,re-assembled with new spring,keepers,alloy retainers. 64 CC cumbustion chambers. Ready to bolt on and go. Will fit ALL :FE" engines 352,360,390,428,406,410 etc.call Ed at 281-543-1920.$1250.00 firm.