BOSS9IP
Jon Kaase Racing Boss Nine Intake Manifold for Big Block Ford engines. Available in either 4150 or 4500 flange. The manifold will include out wilson intermediate porting service.
Intermediate porting service includes: porting the plenum of the intake manifold all the way through the runners. We will adjust the divider walls, taper, angles, textures, etc to substantially enhance distribution and pick up horsepower. The service also includes a gasket match to customers specification.