New
Normal
Good idle
Great mid range for mild engine
Needs comp, rockers & Hi-Stall
See fitting notes
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
Good idle
Great mid range for mild engine
Needs comp, rockers & Hi-Stall
| RPM Range | Part No. | Duration | with 1.7 Rocker | Lobe Sep Angle |
Lash
Measured Hot |
|||||
|---|---|---|---|---|---|---|---|---|---|---|
| Advertised | @.050” | |||||||||
| IN | EX | IN | EX | IN | EX | IN | EX | |||
| 2200 - 6000 | 21424 | 284° | 295° | 230° | 238° | 0.554" | 0.557" | 110 | HYD | HYD |
Must use performance springs.
Must use performance retainers.
Machining required to fit these components.
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. View our Downloads tab for a Flat Tappet run in procedure check list.