Truck norris gen 3 and 4 ls camshaft

BTR GEN III & IV LS TRUCK NORRIS CAM 

Specs: 212/22X, .552/.552, 107 LSA

INTAKE LOBE LIFT @ TDC: 0.05271

The Truck Norris 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.