4.375” bore, 28” test pressure, radius plate on intake, no flow tube on exhaust:

Lift———in/ex
.100——70.4/59.6
.200—-145.6/108.5
.300—-211.2/146.4
.400—-255.0/178.1
.500—-280.5/203.0
.600—-287.9/219.6
.700—-284.9/228.6

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