thank you looking for some stainless steel flanges ill give you some info on the moter see what you think 302 gmc .060 over ported head 2.02 in 1.60 ex cam is duration 268 0.050 230 lobe center 107 io btdc 8 ec atdc 8 ic abdc 42 eo bbdc42 lash 0.18 5 97 strombergs on howard manifold ign is a magneto id like to run 1.3/4 1-6 2.0 2 3 4 5 id like to use two merge collectors and balance tube let me know what you think thanks gary