More aggressive than the Stage 2 but still works with factory valve springs. Pulls hard up through 9500 rpm but still delivers power on demand on the low end. ECU flash or tune recommended.
| Adv Dur (.020") |
258°/258° |
| Dur @ .050 |
230°/230° |
| Valve Lift (1:1) |
.420"/.420" |
| Valve Lift (mm) |
10.67/10.67 |
