COMP Cams Cam & Lifter Kit CB XR284H-R1

COMP Cams is well-known for making performance camshafts and valvetrain components. This CL11-451-8 kit, featuring their XR284H-R1 hydraulic roller camshaft and matching lifters, is designed to give your Chevrolet Big Block engine a noticeable boost in performance. It’s a solid option for those looking to improve their jet boat’s performance, especially with an A impeller, or for mild street performance applications where a noticeable power increase is desired without going to an extreme setup.

This kit includes everything you need to get started: the camshaft itself, a set of hydraulic roller lifters which reduce friction and allow for more aggressive cam profiles compared to flat tappet designs, assembly lube to ensure proper break-in, and decals. The camshaft profile, with its 230 degrees of intake duration and 236 degrees of exhaust duration at .050 lift, is tuned for good power in the mid-to-upper RPM range, making it suitable for pleasure or mild performance use. This hydraulic roller setup is a significant upgrade over stock flat tappet camshafts, offering improved reliability and performance potential.

This kit is designed to fit a wide range of Chevrolet Big Block 396-454 engines originally equipped with flat tappet camshafts. You'll find it compatible with vehicles like the Chevrolet Impala, Chevelle, and Camaro from the late 1960s through the mid-1970s, as well as many truck applications like the C10 Suburban. Remember that this part is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's instructions for proper installation and break-in procedures.