New
Normal
Grumpy idle
Performance street cam suitable for 5.7litre LS1 and LS2 with cathedral ports
Suits auto with no hi stall required
Grumpy idle
Performance street cam suitable for 5.7litre and LS2 with cathedral ports
Suits auto with no hi stall required
| 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 - 6400 | 871025 | 270° | 274° | 222° | 226° | .600" | .600" | 112° | HYD | HYD |
Must use performance springs
Must use performance retainers
Check valve train geometry before ordering pushrods