Cast Match-Ported tall manifolds to match the EMPI GTV-2 Wedge-Port Heads. One of the benefits of cast porting is that you can replace your manifolds at any time and still have an exact match to your cylinder heads. This Tall intake is Port-Matched for Stage 3 Cylinder Heads for HPMX/IDF/Dellorto Carburetors. Sets are complete with all hardware & Gaskets.