COMP Cams Cam & Lifter Kit CS XR258HR-1

When you're looking to get more torque and better mileage out of your Chevrolet Small Block Gen 1 engine, this COMP Cams Cam and Lifter Kit is a solid option. This kit comes with the camshaft itself, a set of hydraulic roller lifters, assembly lube to get everything started right, and decals for your toolbox. It's designed for stock to mildly modified combinations, offering a noticeable improvement in low-end torque without sacrificing too much in terms of fuel economy.

This particular kit, the XR258HR-1, is part of COMP Cams' Xtreme Energy line. It's built for engines like the 350, 305, and 400 cubic inch Small Blocks, but it's important to verify your specific engine setup. Chevrolet gradually introduced roller camshafts into their Small Blocks starting in the mid-80s, so if you have a 1985 or newer engine, you'll want to confirm whether it came from the factory with a roller camshaft or a flat tappet system. This kit is specifically for flat tappet blocks or for those converting to a hydraulic roller setup. It's not compatible with LT1/LT4 or any LS-based engines.

This kit is a great choice for a wide range of classic Chevrolet vehicles, including models like the Camaro, Corvette, C10 trucks, and Caprice. If you're rebuilding the top end of your engine or looking for a performance bump that still plays nice with daily driving, this kit offers a well-built solution from a popular brand in the performance camshaft world.