These are New Heads and Rockers . Valves and hardware are new. No used parts!!
Valves are Ferrea Stainless compitition valves. 2.125 int. 1.65ex. Titanium retainers with Comp Cams springs. Set up for Roller Cam. 225 lbs seat psi. Up to .740 lift.
Heads were flowed using 4.040 Bore. Flowed 340cfm @800, 333@.700 and 320 @ .600 lift. All at 28 in. water. These heads will Flow a lot more if used on larger Bore engine. Preferably on 4.125. Heads have been ported and intake runners gasket matched but not CNC ported. Nice professional work. Intended for an SCCA GT car so max flow was not needed. Rockers are the Jesel Pro Shaft Rockers. Not used but new. Still in packages except for 1 set that was used to set up Heads. Koeffels, in Ohio. flowed heads. Flow sheet available along with Valve spring set up and other details if needed.