Wilson Plenum Ported Kaase Boss Nine Manifold for Big Block Ford adapter ARH's catback does not incorporate

ARH's catback does not incorporate NPP valves to ensure the sound is badass all the time

LSX Throttle Body to Ford Elbow/Manifold Adapter

This is just the new 4150 Billet plate in Black with 1/16NPT and #3AN (no jets included)

Nitrous Pro Flow 8 Cylinder Direct Port systems offer maximum horsepower capability

This is the Silver version pictures to come

Wilson Plenum Ported Kaase Boss Nine Manifold for Big Block Ford adapter ARH's catback does not incorporateJon Kaase Racing Boss Nine Intake Manifold for Big Block Ford engines. Available in either 4150 or 4500 flange. The manifold will include our wilson plenum porting service. Plenum port service includes opening up plenum for increased volume, optimizing angles and taper from the carburetor throttle body entry for better distribution, and improving divider design. The service also includes a gasket match to customer specification. This is not a shelf