New
Normal
Good idle
Good mid range power
Suit strong street engine
Needs 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
Good mid range power
Suit strong street engine
Needs hi-stall
See fitting notes
Due to the large variation in installed heights for these engines, please refer to our Valve Spring Specification Guide to help select the springs best suited to your application.
| 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 - 5500 | 2778 | 292° | 292° | 230° | 230° | .511" | .511" | 110° | HYD | HYD |
Must use performance springs.
Must use performance retainers.
Machining required to fit these components.
Converter stall speed should be equal to or greater than the minimum RPM of the cam power range
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 Spec Sheet tab for a Flat Tappet run in procedure check list.
Due to the large variation in installed heights for these engines, please refer to our Valve Spring Specification Guide to help select the springs best suited to your application.