Best Seller – Most Lift for Reliable Performance
2300 to 6500 RPM Range
.585 Lift, Intake Closes at 42 ABDC
Must Use High Perf Springs use -Star #STC-640SK
Lifter Guides Required STC- M8726LG
Great for 124 -139 Kits
Really Pulls Hard From 2500 up
Unique combination of low to midrange (intake lobe) and top end (exhaust lobe)