BRIAN TOOLEY RACING BTR TRUCK NORRIS NSR CAM – No Springs Required
Package Includes: BTR Truck Norris NSR LS Truck Camshaft (NSR = No Springs Required)
Truck Norris Camshaft Specs: 212/22X, .500/.500, 107 LSA
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.
These camshafts are intended for use in 99+ GM Trucks, with 4.8, 5.3, and 6.0 engines. These are not intended for use in direct injection equipped trucks (2015+).