New
Normal
Tough street cam
Big power and torque gains
Tough idle
Suits cathedral or rectangular heads
May require stall converter (Check with your tuner)
See fitting notes
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Click here for parts to suit LS3/L98
Click here for parts to suit L76/L77
Tough street cam
Big power and torque gains
Tough idle
Suits cathedral or rectangular heads
May require stall converter (Check with your tuner)
See fitting notes
| 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 | |||
| 2400 - 6300 | 871777K | 277° | 284° | 226° | 236° | .607'' | .617'' | 113° | HYD | HYD |
Must use performance springs.
Must use performance retainers
Check valve train geometry before ordering pushrods
Converter stall speed should be equal to or greater than the minimum rpm of the cam power range.