
BTR-LS3STAGE5 Hydraulic Roller Stage 5 Camshaft for GM Gen IV LS3 Engines
The BTR-LS3STAGE5 camshaft represents the most aggressive offering for LS3 platforms, delivering maximum airflow, RPM capability, and race-level performance.
Brian Tooley Racing BTR-LS3STAGE5 Features:
- Duration @ .050: 239 Int. / 254 Ex.
- Valve Lift: .640 in. Int. / .640 in. Ex.
- LSA: 112 deg
- Extreme top-end horsepower and high-RPM powerband
- Track-proven performance profile
Brian Tooley Racing BTR-LS3STAGE5 Notes:
- Requires dual valve springs, titanium retainers, and tuning
- Not suitable for stock converters or mild builds
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
Unlock Maximum LS Power with BTR Camshafts for GM Gen III/IV LS Engines
Brian Tooley Racing (BTR) offers high-performance camshaft solutions tailored for Gen III/IV GM LS platforms, perfect for Silverado/Sierra trucks and LS‑swapped muscle cars. With aggressive grind profiles, durable design, and dyno-proven power gains, these camshafts deliver torque and horsepower increases across the RPM range.BTR's Gen III/IV cam lineup includes the signature Truck Norris, Stage 1, Stage 2, Stage 3, LS1/LS2 Stage 3, LS3 Stage 4, and turbo‑optimized variants like Stage 1 Turbo and Twin Turbo V2. Each cam is CNC-ground from proprietary cores, heat-treated for lasting reliability, and spin- and dyno-tested for peak performance and stability.

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