BTR TRUCK NORRIS Camshaft, LS ApplicationsBTR TRUCK NORRIS Camshaft, LS Applications 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. Specs: 212 22X, . 498 . 498, 107 LSA INTAKE LOBE

Their one-piece sealed housing with an auxiliary air scoop is designed to eliminate the use of multiple housings and ensure the coolest air intake charge available

and road racing applications

Specifications Socket Size(s) 10mm hex

• Designed for your vehicle’s front upper and lower control arms

Weight savings of 31 lbs (Touring Edition) and 39 lbs (Track Edition) compared to stock

00-inch mandrel-bent stainless steel and finished off with large 4

both aluminum and steel stands were tested - steel reigned supreme

The port seals are achieved SAE o’rings seated in a dovetailed o’ring groove

5+ mph on every car tested and as much as 3 mph on restricted larger ci motors

Hole 3 286% stiffer than OE bar

The box was designed to maximize filter size while creating good alignment for the MAF sensor and the duct work to the throttle body

DeWitts Radiator Application Guide: