New and improved Stage 4 profile features more duration for added rpm potential and horsepower gains. Requires tuning and mods as well as BC0100 or BC0120 kit.
| Adv Dur |
284°/280° |
| Dur @ .050 |
230°/226° |
| Valve Lift (1.7:1) |
.450"/.450" |
| Valve Lift (mm) |
11.43/10.92 |
