Wilson Intermediate Ported Holley 300-277 8.2 Deck SBF 289-347 switch choose the option on the

choose the option on the side

this injector guarantees that your engine receives the fuel it needs to deliver peak performance

The GTR intake has adjusted runner length & plenum volume plus completely ported and polished upper & lower manifold sections

and eliminates trapped air in the cooling system

Greater strength

Wilson Intermediate Ported Holley 300-277 8.2 Deck SBF 289-347 switch choose the option on theHolley 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