COMP Cams Camshaft Kit CB 270H-R10

When you're ready to give your Chevrolet Big Block engine a serious boost, this COMP Cams Camshaft Kit K11-420-8 is what you'll want to get your hands on. This kit is designed to be a complete package, so you get the CB 270H-R10 camshaft itself, along with hydraulic roller lifters, valve springs, retainers, valve locks, and valve stem seals. It also includes a timing chain set and assembly lube, plus some decals and instructions to help you out. This kit is built for daily driven street machines and is compatible with stock torque converters, making it a practical choice for improving performance without needing a full drivetrain overhaul.

The CB 270H-R10 camshaft is a hydraulic roller type, which generally offers better performance and durability than older flat tappet designs. It has a 215/215 degree duration and a .495/.495 inch lift, making it suitable for a range of applications. For those running a 396 cubic inch engine, COMP Cams recommends a gear ratio of 3.55 or higher to really take advantage of the camshaft's capabilities. You can expect a slightly rough idle with this setup, which is common for performance cams, but it's a trade-off many enthusiasts are happy to make for the improved powerband. This kit is designed to work well with headers, further enhancing exhaust flow and overall engine output.

This kit is a comprehensive solution for upgrading the camshaft and valvetrain in a variety of Chevrolet Big Block engines, including those found in popular models like the Chevrolet Impala, Chevelle, and Camaro from the late 60s through the mid-70s. It's important to note that this kit is intended for engines originally equipped with flat tappet camshafts, and it is not CARB approved, meaning it cannot be shipped to California. Ensure you have the correct gear ratios for your engine displacement to maximize the benefits of this performance camshaft kit.