COMP Cams Camshaft CB 314H-R10

This COMP Cams Magnum 252/252 Hydraulic Roller Camshaft is designed for Chevrolet Big Block engines, specifically the 396 to 454 cubic inch displacements. You'll receive the camshaft itself, ready for installation. This camshaft is a popular choice for those building street or bracket racing engines that demand more aggressive performance. It's engineered to work with higher compression ratios, typically 10.5:1 or more, and pairs well with a 3500+ RPM stall torque converter and 4.10 or lower rear-end gears. For best results, you'll want to pair this with headers, a good intake manifold, and capable cylinder heads.

The hydraulic roller design means you get improved performance and durability compared to older flat tappet designs, with less friction and wear. This particular grind, the 252/252, refers to the duration at .050 inch lift, indicating a fairly aggressive profile that will result in a noticeable, radical idle. This camshaft is intended for engines originally equipped with flat tappet camshafts, and it's important to note that certain 1965-66 Big Block Chevrolet engines have an oiling groove in the rear journal that this specific camshaft does not accommodate. If your engine falls into that specific category, you'll need to consult COMP Cams for a different option.

When installing this camshaft, ensure you have the necessary supporting components like a high-volume oil pump, appropriate valve springs, and pushrods to match the roller lifters. This camshaft is a significant upgrade for performance builds and is well-suited for applications where a strong top-end pull is desired, along with that distinctive aggressive idle note.