The BTR LS1/LS2 Stage 1 Camshaft V2 (BTR-LS1STAGE1) is a hydraulic roller camshaft for GM LS1/LS2 engines, delivering more power and torque than the factory camshaft everywhere in the curve — with peak horsepower gains approaching 15% over the factory LS2 camshaft — while keeping a mild idle and strong daily-driving manners.
- Part Number: BTR-LS1STAGE1
- Application: GM LS1/LS2-Series
- Camshaft Style: Hydraulic Roller
- Intake/Exhaust Lift: 0.615 in / 0.636 in
- Intake Duration @ .050": 217°
- Lobe Separation Angle (LSA): 113°
This camshaft requires BTR's 0.660-inch lift Platinum spring kit with titanium retainers and hardened pushrods. An aftermarket torque converter stall is not strictly necessary in every application but will help unlock the camshaft's full potential.
FAQ
What valve springs does the LS1/LS2 Stage 1 V2 camshaft require?
It requires BTR's 0.660-inch lift Platinum spring kit with titanium retainers and hardened pushrods.
What are the lift, duration, and LSA specs?
The BTR-LS1STAGE1 has 0.615 in of intake lift, 0.636 in of exhaust lift, 217 degrees of intake duration at .050 inch, and a 113-degree lobe separation angle.
Does this camshaft need a torque converter upgrade?
An aftermarket stall converter is not strictly required but helps unlock the camshaft's full potential.
Is this camshaft suited to daily driving?
Yes, BTR designed it with a mild idle and strong daily-driving manners while still adding meaningful midrange and top end power over the factory camshaft.
How much power does the Stage 1 V2 gain over a factory LS2 camshaft?
BTR reports peak horsepower gains approaching 15% over the factory LS2 camshaft, in addition to added torque and horsepower throughout the curve.
