COMP Cams Camshaft CB 47S 321-R12 for Chevrolet Big Block Engines with Oiling Groove - Part Number 11-747-14

The COMP Cams CB 47S 321-R12 camshaft is designed specifically for Chevrolet GEN IV 396-454 big block engines, providing reliable performance for enthusiasts seeking increased horsepower and torque. This camshaft features an oiling groove in the rear journal, ensuring proper lubrication for 1965-66 396 cubic inch displacement models, which require this specific design. If your engine falls into this category, contact us at 1-800-999-0853 or through our support channels for assistance with ordering the correct camshaft. Built for high-performance applications, this part is ideal for engines equipped with fast brackets, high compression ratios exceeding 13:1, and stall speeds over 5,000 RPM, making it suitable for small nitrous oxide (N2O) setups. The camshaft's specifications are optimized for aggressive street and racing applications, delivering substantial power gains while maintaining engine reliability. Crafted by COMP Cams, a trusted name in performance camshafts, this part ensures quality and durability for your big block Chevrolet engine. Please note that this camshaft is not carburetor approved and requires carb acknowledgment during installation. It’s an ideal upgrade for those seeking to maximize their engine's potential with a proven, high-quality component.

Features:

• Designed specifically for Chevrolet GEN IV 396-454 big block engines

• Includes oiling groove in the rear journal for 1965-66 396 ci models

• Optimized for high compression ratios above 13:1

• Suitable for engines with 5000+ stall speeds and small N2O setups

• Manufactured by COMP Cams for durability and performance

• Requires carb acknowledgment during installation

• Not carb approved, designed for performance applications