COMP Cams CB XR280 R-10 Camshaft for Chevrolet Big Block 396-454 - Oil Groove Rear Journal

BBC - 1965-66 396 c.i.d. models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order. WARNING: Camshaft Optimized for use with a Melanized or Nitrided distributor Gear. Not compatible with cast or Steel Gears without similar surface treatments. Failure to utilize the proper distributor Gear will void all warranties and/or return policies. Best in street machines with 2800+ stall, 10:1+ compression with 3.73-3.90 rear gears. Chevrolet GEN IV 396-454 Big Block Engines Originally Equipped with Flat Tappet Camshafts

The COMP Cams CB XR280 R-10 camshaft is designed specifically for Chevrolet Big Block engines from 1965-66, including 396 c.i.d. models with an oiling groove in the rear journal. This camshaft is engineered to optimize performance in street machines with a stall speed exceeding 2800 RPM, high compression ratios of 10:1 or more, and rear gear ratios between 3.73 and 3.90. Its precise design ensures reliable operation and enhanced power delivery in street-driven applications.

Engineers developed this camshaft to meet the demands of high-performance street vehicles, providing improved throttle response and torque. The camshaft features a durable construction compatible with a Melanized or Nitrided distributor gear, ensuring longevity and optimal engagement. It is important to note that this camshaft is not compatible with cast or steel gears lacking similar surface treatments; using incompatible gears will void warranties and return policies.

Manufactured by COMP Cams, the CB XR280 R-10 is part of their premium line of performance camshafts, tailored for enthusiasts seeking to maximize their engine's potential without extensive modifications. Proper installation and matching with the correct distributor gear are critical for achieving the desired performance and maintaining warranty coverage. This part is ideal for those upgrading their classic engine for street performance, especially in vehicles with original flat tappet camshaft setups.

Designed with precision engineering, the COMP Cams CB XR280 R-10 camshaft offers a reliable upgrade path for vintage Chevrolet Big Block engines, delivering improved horsepower and torque where it matters most on the street. Ensure compatibility with your specific engine configuration before purchase and consult with a professional for installation guidance to maximize performance benefits.

Features:

• Designed for Chevrolet Big Block 396-454 engines from 1965-66

• s an oiling groove in the rear journal for improved lubrication

• Optimized for high-performance street applications with 2800+ stall speed

• Suitable for engines with 10:1+ compression and 3.73-3.90 rear gears

• Constructed for durability with compatibility for Melanized or Nitrided distributor gears

• Not compatible with cast or steel gears without surface treatments

• Ideal for upgrading flat tappet camshaft engines in street machines

• Engineered by COMP Cams for reliable power and torque improvements