Ron's Racing Head Service 18/15 degree alum. heads with fresh rebuild, T&D rocker arms 1.75/1.65, Titanium retainers and Manly titanium valves and springs. Valve seat pressure is 360 closed, open 900+. Jessel front mount dist. w/Jessel crank trigger. ATI balancer, Peterson external oil pump, Hogan modified sheet metal intake w-4 hole spacing, (2) Davinci 850 cfm carbs. Special built valve covers. Over 12k invested, changed classes this year and not running this combo. I have spec. sheet for all above, call for info 304-826-9251 I will make you a good deal w-free shipping in USA.