COMP Cams Cam & Lifter Kit CS Nx256H-13

If you're looking to add a bit more power to your classic Chevrolet Small Block, this COMP Cams Nitrous HP Cam and Lifter Kit is a solid option. This kit is designed for engines that are near stock but might be getting a nitrous oxide system, specifically up to a 125 horsepower shot. It's a hydraulic flat tappet setup, meaning it uses a common and well-understood valvetrain design that's been around for decades.

This particular camshaft, the Nx256H, has an intake duration of 212 degrees and an exhaust duration of 222 degrees at .050 inch lift. This profile is chosen to work well with near-stock engines, providing an improved powerband that can take advantage of a mild nitrous boost without being too radical for everyday driving. The kit includes the camshaft, matching lifters, assembly lube to get everything started right, and decals for that finishing touch. It's a well-built package from COMP Cams, a popular name in performance engine components.

This kit fits a wide range of Chevrolet Gen 1 Small Block engines, including popular displacements like the 350, 400, and 327. It's important to confirm your engine uses a flat tappet camshaft, as many later models (especially from the mid-80s onward) switched to factory roller setups. If you're unsure, checking your engine's intake manifold or timing cover area can help you identify which type you have. This kit is not CARB approved and cannot be shipped to California.