HOWARDS RACING COMPONENTS 122121-10 Howards Racing Components 122121-10 BBC Hydraulic Flat Tappet Camshaft

Upgrade your Big Block Chevy engine with the Howards Racing Components 122121-10 hydraulic flat tappet camshaft. Designed for performance-oriented applications, this camshaft provides a lift profile of 0.527 inches on the intake and 0.533 inches on the exhaust, helping deliver strong valve action and improved engine breathing across the operating range. Its hydraulic flat tappet design supports a traditional valvetrain setup while providing dependable performance for street and performance builds.
The camshaft features 279 degrees of intake duration and 289 degrees of exhaust duration, along with a 110-degree lobe separation angle. This combination is engineered to provide a balanced performance profile with responsive power characteristics for Big Block Chevy applications. The recommended operating range is 1,600 to 6,000 RPM, making it suitable for engines that need usable low- and mid-range performance while retaining the ability to pull strongly at higher engine speeds.
Each Howards Racing Components camshaft is developed for enthusiasts and builders who demand carefully engineered valvetrain components. The 122121-10 is intended for Big Block Chevy engines using compatible hydraulic flat tappet components and should be selected according to the complete engine combination, including cylinder heads, compression ratio, induction system, exhaust, gearing, and intended use. Verify application compatibility and follow the manufacturer’s installation, break-in, and valve adjustment recommendations before operation.

Features:

• Application: Designed for Big Block Chevy engines

• Camshaft Type: Hydraulic flat tappet design

• Brand: Howards Racing Components

• Part Number: 122121-10

• Valve Lift: 0.527 inches intake and 0.533 inches exhaust

• Duration: 279 degrees intake and 289 degrees exhaust

• Lobe Separation Angle: 110 degrees

• Operating Range: 1,600 to 6,000 RPM

• Quantity: Sold individually