Wilson Intermediate Ported Holley 300-277 8.2 Deck SBF 289-347

Holley 300-277 intake manifold for small block ford 289-347ci optimized with wilson manifolds 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.

  This is not a shelf piece, the manifold must be ordered and ported to the customers specifications after it has been purchased.