51500009 Trick Flow Box R-Series Intake Manifold for SBF 351 Windsor Based Engines - Silver

Trick Flow® Box-R-Series EFI Intake Manifolds for Ford 351 Windsor

Trick Flow’s® Box-R-Series EFI Intake Manifolds are computer-engineered to deliver ideal airflow distribution and velocity to provide big mid- and upper-RPM horsepower gains for ultra-high performance street and race engines. The manifolds have short, large cross-section runners to further improve flow velocity and performance in the 2,500 to 7,500 RPM range.

Trick Flow® Box-R-Series EFI Intake Manifolds are available in kits with a natural finish aluminum lower manifold and an A319 aluminum upper in your choice of silver powdercoat, black powdercoat, and natural finishes. The manifolds have a 90mm throttle body inlet and are designed for use on non-EGR engines.

Additional features include:

*Large cross-section with 11.000 in. runners
*Overall height to the upper manifold flange is 12.750 in.
*Overall height to the lower manifold flange is 5.375 in.
*2.000 in. x 1.200 in. port size at head
*2.380 in. x 1.380 in. port size at mating flange