SBC Nitrous HP Cam NX268 H-13

The COMP Cams SBC Nitrous HP Cam NX268 H-13 is a specialized hydraulic flat-tappet camshaft designed for small-block Chevrolet engines that utilize nitrous oxide systems. This camshaft is engineered for serious power adders, providing the aggressive valve timing and lift characteristics necessary to optimize nitrous performance while ensuring reliability under extreme boost conditions. Whether you're building a street strip warrior or a dedicated bracket racer, the NX268 H-13 profile helps unlock the full potential of nitrous induction on your small-block platform.

This hydraulic flat-tappet design features COMP Cams' proven lobe geometry optimized for nitrous applications, delivering precise valve events that help prevent detonation and manage cylinder pressure spikes common in boosted small-block combinations. The H-13 designation indicates a specific lift and duration profile tailored for nitrous fuel systems, where cylinder pressure management is critical for engine longevity. Manufactured to exacting tolerances and finished with COMP Cams' proprietary coating, the NX268 is built to resist wear from aggressive valve train speeds and ensure consistent performance across repeated pulls, whether on the strip or during dyno testing.

This camshaft is ideal for nitrous-equipped small-block Chevy engines in the 350 to 406-cubic-inch displacement range, compatible with both carbureted and EFI-controlled systems. Installation requires a compatible hydraulic lifter set and timing chain components, ensuring that users can achieve optimal performance with the right setup. The NX268 H-13 camshaft is a reliable choice for enthusiasts looking to maximize their engine's potential with nitrous induction.