Brian Tooley Racing PDS Stage 4 Camshaft – BTRBTR-PDSSTAGE4

Virtual Speed Performance Verified independent store

→

The BTR PDS Stage 4 Camshaft (BTRBTR-PDSSTAGE4) is engineered for high-performance applications in GM LSA and LS9 engines, including models like the Camaro ZL1 and Corvette ZR1. Th is camshaft offers significant power gains while maintaining excellent streetability. Key Features: Engine Compatibility: GM LSA and LS9 engines (Camaros, Corvettes) Cam Type: Hydraulic roller Duration @ .050": 229° intake / 25X° exhaust Lift: 0.636" intake / 0.636" exhaust Lobe Separation Angle: 116° Idle Characteristics: Ultra-aggressive idle Power Gains: Designed for high RPM applications with significant power increases Torque Converter: Aftermarket converter recommended Valve Spring Requirements: Requires .660" lift dual valve springs with titanium retainers and hardened pushrods Cam Bolt Pattern: 3-bolt This camshaft is developed using BTR's in-house lobe designs, Spintron, and engine dyno testing to achieve optimal power curves while maintaining valvetrain stability and durability. Show more