BTR Truck Norris NSR Camshaft, Gen 3/4 LS Truck, Hydraulic 3-Bolt

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, This camshaft has more power and torque everywhere in the curve compared to our legendary V2 truck cams, 212/22X, .498/.498, 107 LSA, Sold as each.