COMP Cams Camshaft Cv6B 280HR-10

If you're looking to get more out of your 4.3L V6 engine, especially those equipped with balance shafts, this COMP Cams Magnum camshaft is a solid choice for a limited high-performance build. This hydraulic roller camshaft is designed to change how your engine breathes, letting in more air and expelling exhaust more efficiently than the stock unit. It’s built for applications where you want a noticeable step up in power, but you're prepared for the accompanying rougher idle and need to make other supporting modifications to get the most out of it.

This camshaft, part number 56-430-8, features a 224/224 duration at .050 inch lift, which is a popular spec for achieving a good balance between street drivability and track performance in these V6 engines. Because it’s a hydraulic roller design, you can expect smoother operation and less friction compared to older flat-tappet cams. COMP Cams is well-known for producing reliable valvetrain components, and this camshaft is no exception, offering a well-built option for enthusiasts looking to push their 4.3L beyond its factory limits. It's important to note that this camshaft is intended for carbureted applications and requires an adjustable valve train. For optimal performance, you'll need to pair it with a high-flow intake manifold, headers, and a rear gear ratio between 3.73 and 4.10, along with a torque converter with at least a 2500 RPM stall speed.

This camshaft fits a wide range of GM vehicles from the early 90s through the mid-2010s, including popular models like the Chevrolet Astro, Blazer, and S10, as well as GMC Jimmy and Sonoma. It's crucial to ensure your engine has the balance shaft configuration and the taller timing cover characteristic of these later 4.3L V6s. Keep in mind that this camshaft is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for specific details on setup and compatibility with your engine's timing cover and valvetrain components.