Specs: 229/25X duration – .636/.636 lift – 116° LSA
Intake Lobe Lift @ TDC: 0.05129
The ultimate high-RPM camshaft for maximum power in GM LSA and LS9 engines.
The Brian Tooley Racing (BTR) PDS Stage 4 Camshaft V2 is the most aggressive camshaft in BTR’s lineup for GM LSA and LS9 engines, designed for enthusiasts seeking extreme performance. Ideal for high-RPM, max-effort naturally aspirated or positive displacement supercharged builds, including stock displacement and 4" stroker applications, this cam delivers ultra-aggressive power while producing a distinctive, aggressive idle.
Developed using ultra-stable lobe designs, the Stage 4 V2 Camshaft maximizes high-RPM potential while maintaining exceptional durability and valvetrain stability. In testing, it has proven to withstand extreme operating conditions, providing reliable performance for demanding applications.
For optimal results with higher boost levels, BTR recommends pairing this camshaft with aftermarket or ported OEM cylinder heads and larger throttle bodies. The PDS Stage 4 V2 embodies BTR’s commitment to precision engineering, race-proven performance, and uncompromising power delivery.
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