FAST Intake Manifold BBC 4500 OpenFAST? Single Plane Intake Manifolds are designed to produce tremendous horsepower and high RPM torque from 3500 7500 RPM (Big Block Chevy), 4500 8500 RPM (Small Block Chevy, 351W Ford) and 4500 9000 RPM (289 302 Ford). All manifolds accept square bore, four barrel 4150 style throttle bodies, such as the FAST? part #307603, and feature a fuel injector boss in each runner that will accept FAST? high performance injectors. This Part Fits: Year Make Model
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