Engines and Components› Camshafts and Valvetrain

Howards Cams

Mechanical Roller Big Bottle Camshaft

$773.32

SKU: 120823-12

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Overview

The Howards Cams 120823-12 is a mechanical roller Big Bottle camshaft designed for nitrous oxide applications. It is suitable for 1965-1996 Chevy 396-502 (Mark IV) engines and operates in the 4300-7200 RPM range. This camshaft features a lift of .714/.714 and a duration at 0.050 of 275/285 degrees, with a 108-degree centerline.
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The Howards Cams 120823-12 is a specialized mechanical roller camshaft engineered for nitrous oxide systems, part of their Big Bottle Cam series. Designed to deliver strong upper mid-range to top-end power for engines 500 cubic inches and larger, this camshaft is ideal for racing and high-performance applications. It is intended for use with large manifold systems to maximize its potential. Key specifications for the 120823-12 include a valve lift of .714 inches for both intake and exhaust, and a duration at 0.050 inches of 275 degrees on the intake and 285 degrees on the exhaust. The camshaft features a narrow 108-degree intake centerline and an operating RPM range of 4300 to 7200 RPM. It is compatible with 1965-1996 Chevy 396-502 cubic inch Mark IV big-block engines. This camshaft is part of Howards Cams' extensive line of performance engine components, known for their quality and reliability in demanding applications. For optimal performance and longevity, proper installation and associated valvetrain components are crucial.

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Specifications

BrandHowards Cams
Part Number120823-12
CategoryEngines and Components
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