FAST's Single Plane Aluminum Intake Manifold is designed to produce tremendous horsepower and high RPM torque from 4,500-8,500 RPM. Accepts square bore, four-barrel 4150-style throttle bodies and features a fuel injector boss in each runner that will accept FAST high performance injectors. This manifold is the only one designed with a 4150 flange and bolt machining to fit all versions of Small Block Chevy cylinder heads, including classic originals, GM Vortec heads and late model perimeter corner vertical bolt style crate engine heads. It will provide the power and strong torque curve throughout the mid-RPM range that is required for performance street, circle track and drag race applications up to 434c.i. Also featured is auxiliary water ports, integral water crossover and dual sided distributor mounting points. Female pipe fittings at all four corners allow external water lines for reverse cooling applications, injectors are laid down on an angle that points directly at the valve stem and is the only 4BBL-type EFI manifold on the market with an air control circuit. 

Features:

• 4,500-8,500 RPM Peak Horsepower and Torque
• Accepts Square Bore, 4BBL 4150-Style Throttle Bodies
• Port Angle Optimized Injector Mounting and Machining
• Injectors are Machined on an Angle Pointing Directly at the Valve Stem
• Integral Air Temp and MAP Sensors
• Dual Sided Distributor Mount
• Engineered Specifically to Port Match fit RHS Small Block Chevy Cylinder Heads
• Includes Fuel Rails and Hardware