Overview
The BTR “Truck Norris” Camshaft is one of the most well-known and proven LS truck cam upgrades—delivering aggressive sound, strong midrange torque, and impressive top-end power without sacrificing street usability.
Designed entirely in-house by Brian Tooley Racing and validated through extensive Spintron and engine dyno testing, Truck Norris lives up to its name with a balanced combination of performance, drivability, and reliability.
Key Features
- Aggressive cam sound with strong lope
- Broad powerband with excellent midrange torque
- Proven performance across 5.3L, 6.0l and 6.2L LS truck platforms
- Compatible with OEM torque converters
- Designed and tested in-house by BTR
- Complete cam kit for simplified installation
Specifications
- Duration @ .050": 212° / 22X°
- Lift (Valve): .552" / .552"
- Lobe Separation Angle (LSA): 107°
Kit Includes
- BTR Truck Norris LS Truck Camshaft
- SP011 Beehive Valve Springs (.560" lift capable)
- LS Hat Valve Seal Set
- Chromoly 7.400" Pushrods
- BTR Delphi LS7 Lifters
- Lifter Trays
- Camshaft Install Kit (Water Pump Gaskets, Front Main Seal, Front Main Gasket, Balancer Bolt)
- YOUR CHOICE OF HEAD GASKETS
Recommended Setup
- Engine Compatibility: GM Gen III & IV LS Truck Engines (5.3L / 6.0L, 1999+)
- Torque Converter: Works with OEM converters
- Pushrod Length: 7.400" (included, verify during install)
Performance Characteristics
- Idle Quality: Aggressive lope
- Powerband: Strong midrange with solid top-end pull
- Drivability: Street-friendly with noticeable performance gains
- Overall Feel: “More power. More torque. Less compromise.”
Why Choose Truck Norris?
Truck Norris is one of the most popular LS truck cams for a reason—it delivers a perfect balance of sound, performance, and drivability. Whether you're building a fun daily driver or a street truck with attitude, this cam provides a noticeable upgrade without requiring extreme supporting mods.