Chrysler Mopar BB 413 426 440 HiRise Aluminum Intake Manifold [Black] Speedmaster cylinder head valvetrain kits

Speedmaster cylinder head valvetrain kits offer a comprehensive solution for revitalizing your engine's cylinder heads

Experience unparalleled performance and power with Speedmasters 6-71 Complete Supercharger Kitengineered for maximum horsepower and durability

They also offer the potential for improved fuel economy by making the engine more efficient

As the horsepower in your performance vehicle goes up so does the strength of the read end housing

Chrysler Mopar BB 413 426 440 HiRise Aluminum Intake Manifold [Black] Speedmaster cylinder head valvetrain kitsStep up to the high rpm power of an open plenum with Speedmaster HiRise intake manifolds. These cast aluminum manifolds accept square bore carburetors and are pressure tested to ensure maximum performance. They start to make awesome power around 3,000 rpm.