COMP Cams CB 290H-R10 Camshaft for 1965-66 Chevrolet Big Block 396 c.i. Engines with Oiling Groove

The COMP Cams CB 290H-R10 camshaft is designed specifically for 1965-66 Chevrolet Big Block engines with 396 cubic inch displacement that feature the rear journal oiling groove. This camshaft is ideal for hot street machines running with stalls above 2500 RPM and compression ratios of 9.5:1 or higher. For optimal performance, pairing this cam with headers and an aluminum intake manifold is recommended. This camshaft provides a rough idle, making it suitable for enthusiasts aiming for a balance of street performance and streetability.
Constructed to meet the specifications of original equipment for Chevrolet GEN IV 396-454 Big Block engines equipped with flat tappet camshafts, the COMP Cams CB 290H-R10 is engineered to deliver reliable performance and durability. It is important to note that the listed part numbers do not fit models without the oiling groove in the rear journal; please contact us at 1-800-999-0853 for assistance in selecting the correct camshaft if required.
This camshaft features a duration and lift profile optimized for high-performance street applications, ensuring improved horsepower and torque. Its robust design and precise manufacturing make it an excellent choice for engine rebuilds or upgrades aimed at enhancing street machine performance while maintaining a rough idle characteristic. The CB 290H-R10 is a non-CARB approved component, requiring acknowledgment during installation, and is shipped as a single unit, ready for installation in compatible engines.

Features:

• Designed for 1965-66 Chevrolet Big Block 396 c.i. engines with oiling groove in the rear journal

• Optimized for high-performance street applications with over 2500 RPM stall and 9.5:1+ compression

• Best paired with headers and aluminum intake for maximum performance

• Provides a rough idle suitable for street performance vehicles

• Engineered for Chevrolet GEN IV 396-454 flat tappet camshaft engines