SBC Xtreme Marine Hyd. Cam XM262H-12

The SBC Xtreme Marine Hyd. Cam XM262H-12 from COMP CAMS is a hydraulic flat tappet camshaft engineered specifically for small-block Chevy marine engines operating in salt-water and freshwater applications. Designed for boaters who demand reliable performance in harsh aquatic environments, this camshaft delivers the mid-range torque and upper-RPM responsiveness needed for strong acceleration and sustained cruising at sea. Whether you're running a fishing vessel, pleasure boat, or performance skiff, this marine-rated cam provides the durability and predictable power curve that serious boaters expect.

Built with hydraulic flat tappet design, the SBC Xtreme Marine Hyd. Cam XM262H-12 features a 262-degree intake duration and 268-degree exhaust duration at 0.050-inch lift, with peak valve lifts of 0.462 inches (intake) and 0.477 inches (exhaust). The 112-degree lobe separation angle is optimized for marine duty, balancing idle quality with mid-range response critical for boating. This cam is rated for 1,300 to 5,500 RPM operation, making it ideal for consistent waterway navigation and responsive throttle application. Hydraulic actuation automatically compensates for thermal expansion, ensuring precise valve timing across varying water and engine temperatures—a must-have feature for marine service life.

This camshaft is engineered for small-block Chevy engines and pairs seamlessly with marine-duty valve trains and stock hydraulic lifters. Boaters upgrading cooling systems, exhaust, or induction on existing marine platforms will find the SBC Xtreme Marine Hyd. Cam XM262H-12 a direct bolt-in solution requiring no custom machine work. Installation is straightforward for experienced marine technicians or professional shops familiar with small-block Chevy timing gear and cam bearing clearance specifications. Ideal for rebuilds, repowers, and performance refreshes on fishing and recreational vessels.