Description
Choppy idle
Great mid range power
Needs serious engine mods & hi stall
Crow Cams recommend purchasing 2x bottles of ZDDP additive with any flat tappet cam, one for the initial run in and one for the first oil change thereafter
| RPM Range | Part No. | Duration | with 1.62 Rocker | Lobe Sep Angle | Lash Measured Hot |
|||||
|---|---|---|---|---|---|---|---|---|---|---|
| Advertised | @.050” | |||||||||
| IN | EX | IN | EX | IN | EX | IN | EX | |||
| 3400 – 6500 | 621374 | 281° | 281° | 246° | 246° | 0.552 | 0.552 | 108 | .016″ | .016″ |
