Brian Tooley Racing BTR Truck SUV Camshaft Kit for 2014+ Gen V L83 L86 5.3L 6.2LBTR's Gen V Truck Cam Kit is designed for 2014 and newer GM pickup trucks with the L83 5. 3 or L86 6. 2 engine. Dyno tests have shown a 70 horsepower gain at the tires with the stage 2 camshaft in a L86 equipped Silverado, so this is a great upgrade to give your truck increased power! As you can see, this is a great bang for the buck upgrade when combined with our DOD delete kit. This cam kit will include the camshaft and a set of GM LT4 valve