Most Powerful – Designed for Maximum Performance
3000 to 7000 RPM Range
.627 Lift, Intake Closes at 54 ABDC
Must Use High Perf Springs use – Star #STC-640SK
Made for Big Engines 131-150 or High Revving 124-133
Sounds Like a Racing Cam
Lifter Guides Required STC- M8726LG
Experienced installer needs to check spring capabilities, coil bind, installed heights, piston to valve clearances, etc