Brian Tooley Racing naturally aspirated stage II cam features a very wide power range and excellent mid-range torque for the naturally aspirated LS1/LS2 engines. This camshaft is great for a daily driver application.
This camshaft was designed with 4 degrees of overlap. It has a noticeable idle and makes great average power. The secret is in minimizing the overlap, while maximizing the intake valve closing and exhaust valve opening events. Cam specs are 227/234 .614"/.576" 113+2 and comes a 3 bolt timing gear pattern.
Note: Dual valve spring and retainer package is required with this camshaft. We also suggest 1-piece hardened pushrods along with the COMP Cams 13702-KIT Trunnion upgrade kit. JDP Motorsports recommends degreeing the camshaft and checking piston to valve clearance when installing any aftermarket camshaft.
Camshaft Specifications
- Naturally aspirated LS1/LS2 applications
- 2000-7000 RPM range
- 227 intake/234 exhaust duration @ .050"
- .614 intake/.576 exhaust valve lift w/ 1.7 rocker
- 113+2 degree lobe separation angle
- Tuning is required
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Note: Lift approaching .650" or more while using stock 15 degree rocker arms with too much open spring pressure can damage valve tips long term. We recommend a maximum lift of .630" and maximum open pressure of 400 lbs when using stock rocker arms.