Brian Tooley Racing LS Engine Cam Kit Includes:-Camshaft-Valve Spring Kit-5/16" Chromoly Push Rods-Valve Seals Cam Options: BTR GEN III & IV LS TRUCK NORRIS CAM Specs: 212/22X, .553/.553, 107 LSA 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. BTR LS1/LS2 STAGE 2 CAMSHAFT Specs: 221/24x .624"/.636" 112 LSA Developed and ground in-house using state of the art BTR designed lobes, the new LS1 Stage 2 V2 cam is the latest offering in the LS1/LS2 line up. We went back to the drawing board to find even more power and torque. This camshaft has a moderate idle for use in daily driving, yet makes significantly more midrange and top end power over Stage 1, with an over 16% horsepower gain at peak over the factory LS2 camshaft. An aftermarket stall is recommended to help unlock this camshaft's full potential. These new BTR lobe designs were Spintron and Engine Dyno tested to achieve the highest overall power curve while also maintaining strict valvetrain stability and durability standards. BTR LS1/LS2 STAGE 3 CAMSHAFT Specs: 227/24x .636"/.636" 111.5 LSA Developed and ground in-house using state of the art BTR designed lobes, the new LS1 Stage 3 V2 cam is the latest offering in the LS1/LS2 line up. This camshaft has an aggressive idle, and works well in the mid to upper rpm range with 18% horsepower gains at peak over the OEM LS2 camshaft. This camshaft will not require any flycutting of pistons with OEM combustion chamber size. If you mill your heads, it is always advised to check piston-to-valve clearance. An aftermarket stall is necessary to help unlock this camshaft's full potential. These new BTR lobe designs were Spintron and Engine Dyno tested to achieve the highest overall power curve while also maintaining strict valvetrain stability and durability standards. BTR RED HOT CAMSHAFT 221/24X, .619/.617, 113 LSA INTAKE LOBE LIFT @ TDC: 0.04730 BTR is proud to introduce our newest camshaft offering for 5.7, 6.0, and 6.2 LS engines. Affectionately dubbed The Red Hot Cam, we have put this camshaft in a wide variety of engine combos, and it was spicy enough to make excellent power in both boosted and N/A applications. Things really heated up once it was installed and running on the engine dyno. It showed excellent power gains over our existing Stage 2 PDS and LS3 Centrifugal cam profiles even with less intake duration. Using BTR lobes designed in house, this cam had just the right amount of kick that combined both great stability and durability during Spintron testing. Scoring a 1.5m SHU (Think Carolina Reaper and Pepper Spray) on the Scoville Scale, this cam is sure to add some heat to your build! When used in higher compression and/or boosted applications, E85 fuel is recommended.
