BTR Gen III/IV LS Truck Norris Camshaft - TRUCKNORRIS

BTR hydraulic roller Truck Norris camshaft for compatible Gen III/IV LS truck applications. Specs: 212/22X duration, .553/.553-inch lift, 107 LSA, three-bolt cam. BTR lists fitment for 1999–2013 Silverado and Sierra applications. Verify engine, cam bolt, valvetrain, and tuning compatibility before installation.