Same head, same port as above, but with seats recut, mild
back cut on valves, and the bowls and short turns blended.
No rework on the pinch area or around the guide boss.

Lift------in/ex
.100----70/56
.200---146/105
.300---207/142
.400---244/168
.500---267/186
.600---271/201
.700---272/214

Ootb RPM head, ede valve job & valves
Lift-----in/ex
.100----67/50
.200---141/106
.300---209/144
.400---245/170
.500---269/186
.600---275/196
.700---278/201

Just keep in mind, not all ports on all heads flow the same.
These numbers are what these particular ports flowed on
these particular heads.


68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads