Up for bid is a pair of Dart Pro One small block Ford aluminum cylinder heads. Winners choice of 170cc or 195cc as-cast ports.  Heads are complete with Competition series stainless steel intake and exhaust valves, chrome moly retainers, 10 degree machined locks, posative steel jacketed viton valve seals, 3/8 or 7/16 screw in studs and 5/16 or 3/8 guide plates.  Assembled with 120lbs @ 1.800" single 1.44 diameter valve springs with damper. This combination will allow up to a .600" lift hydraulic camshaft.

CNC heads and other valve spring combinations are also available.  608-836-8130

We carefully go through each head and make sure that these are ready to be bolted on and good to go, Unlike other Ebay sellers that just throw heads together and send them out. We guarantee that you will have 0 problems with heads that you purchase from Performance Engine and Machine.