New
Normal
The ultimate NSR power king Maximum top end performance
Aggressive, choppy idle
Best suited for manual vehicles or those with an upgraded stall converter
Camshaft is designed for use with factory valve springs though performance spring upgrade is always recommended
DOD Delete required for AFM motors (eg L76, L77)
The ultimate NSR power king Maximum top end performance
Aggressive, choppy idle
Best suited for manual vehicles or those with an upgraded stall converter
Important Notes
A custom tune is required for the vehicle to run properly after installation.
For engines equipped with Active Fuel Management (AFM), a DOD Delete kit is mandatory. This applies to engines like the L76 and L77.
While designed for factory springs, we always recommend upgrading to a quality set of PAC or equivalent valve springs
| 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 | |||
| 871NSR3R | 288° | 301° | 232° | 246° | .510'' | .510'' | 112° | HYD | HYD | |
Important Notes
A custom tune is required for the vehicle to run properly after installation.
For engines equipped with Active Fuel Management (AFM), a DOD Delete kit is mandatory. This applies to engines like the L76 and L77.
While designed for factory springs, we always recommend upgrading to a quality set of PAC or equivalent valve springs