The BTR PDS Stage 2 Torque Camshaft is a hydraulic roller camshaft for GM LS-Series supercharged engines. This updated version of BTR's Stage 2 PDS cam makes more power and torque throughout the curve than earlier PDS designs, even with less intake duration.
- Part Number: BTR-PDSSTAGE2TQ
- Application: GM LS-Series (PDS Supercharged)
- Camshaft Style: Hydraulic Roller
- Intake/Exhaust Lift: 0.619 in / 0.617 in
- Intake Duration: 221
- Lobe Separation Angle: 113 LSA
E85 fuel is highly recommended for this camshaft.
FAQ
What applications is this camshaft designed for?
It's designed as an updated version of BTR's Stage 2 PDS camshaft for supercharged LS applications, making more power and torque throughout the curve with less intake duration than earlier PDS designs.
Is E85 fuel required?
E85 fuel is highly recommended for this camshaft.
What testing was performed on this camshaft?
BTR tested this cam on an LS3 short block with GMPP ported LS3 heads and a Kong-ported LSA supercharger at 17 psi boost on E85 fuel, and validated the lobe design with Spintron and engine dyno testing.
What are the key specs for this camshaft?
It has a 221 intake duration, 0.619/0.617 lift, and 113 LSA.

