BTR PDS STAGE 4 CAMSHAFT V2
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.
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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