The BTR PDS Stage 3 Torque Camshaft V2 is a hydraulic roller camshaft for GM LS-Series engines, designed for good low-to-mid RPM torque without sacrificing top-end horsepower. It has a slightly more aggressive idle than earlier PDS grinds while retaining good drivability.
- Part Number: BTR-PDSSTAGE3TQ
- Application: GM LS-Series (PDS Supercharged / Nitrous)
- Camshaft Style: Hydraulic Roller
- Intake/Exhaust Lift: 0.636 in / 0.636 in
- Intake Duration: 226
- Lobe Separation Angle: 112.5 LSA
E85 fuel is highly recommended for this camshaft.
FAQ
What applications suit this camshaft?
It suits stock long blocks with stock or ported blowers, and works well with up to a 150-shot of nitrous.
Is E85 fuel required?
E85 fuel is highly recommended for this camshaft.
How aggressive is the idle?
It has a slightly more aggressive idle than earlier PDS Stage 2 cams while still providing good drivability.
What are the key specs for this camshaft?
It has a 226 intake duration, 0.636/0.636 lift, and 112.5 LSA.
How was this camshaft developed and tested?
BTR designs its camshaft lobes in-house and validates them with Spintron and engine dyno testing to optimize the power curve while maintaining valvetrain stability and durability.

