Designed for boost levels in the 8 to 20psi range, works well with non-ported cylinder head and stock valve springs. Wider lobe separation & short duration build more cylinder pressure.
| Adv Dur (.020") | 262°/258° |
| Dur @ .050 | 234°/230° |
| Valve Lift (1:1) | .436"/.422" |
| Valve Lift (mm) | 11.07/10.72 |