BTR Brian Tooley Centrifugal Supercharged Stage 2 Camshaft Specs: 221/24x .619"/.617" 113LSA 3 Bolt Pattern BTR's newest version of their Stage 2 Centrifugal Supercharged camshaft makes excellent power and torque everywhere in the curve. Developed in house, they went back to the drawing board and found more power and torque even with the use of less intake duration. 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.
