New
Normal
Strong low-mid range cam
Tough idle
Suits cathedral or rectangular heads
No high stall required
See fitting notes
Also available to purchase with a spring kit
Click here for parts to suit LS1
Click here for parts to suit LS2
Click here for parts to suit LS3/L98
Click here for parts to suit L76/L77
| 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 | |||
| 1900 - 6200 | 871247 | 289° | 284° | 219° | 227° | .580'' | .584'' | 112° | HYD | HYD |
Must use performance springs
Must use performance retainers
Check valve train geometry before ordering pushrods