BTR "Truck Norris" Naturally Aspirated Camshaft For LS Truck Engines - 54+ HP Gain (NSR)

BTR camshafts are engineered for outstanding performance and drivability. Brian Tooley Racing provides a wide range of camshafts and configurations tailored for various truck and car applications. Whether your project involves turbocharged, supercharged, or naturally aspirated setups, BTR offers numerous grind options, all supported by years of expertise, knowledge, and a dedication to power.

Developed from the success of the original Truck Norris, this NSR (No Springs Required) camshaft will deliver a roundhouse kick in the pants to your 1999-2013 Silverado or Sierra. Developed from hundreds of hours of in house cam lobe design and dyno testing, this camshaft has more power and torque everywhere in the curve compared to our legendary V2 truck cams.

Notes: Does not require valve spring upgrade

*Custom tuning is required after installation. We offer remote tuning options see here or we recommend going to a local dyno shop near you for custom tuning.