Unparkerized cam....... probably MP.

The MP lobes are smooth and stable, which = more rpm before the lifters get upset.

I would absolutely expect the MP cam to rev higher before the valvetrain got unhappy than the XE275HL.


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