If you have enough spring for it, and since you don't need to ring it out tight at the end of the 1/4, I'd suggest the Comp XE285HL with the 1.5 rockers....... And maybe a RPM intake.

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