CNC Machined manifolds to match the EMPI GTV-2 Wedge-Port Heads. One of the benefits of CNC porting is that you can replace your manifolds at any time and still have an exact match to your cylinder heads. This Short intake is Port-Matched for Stage 1 Cylinder Heads for 48/51 EPC/IDA Carburetors. Sets are complete with all hardware & Gaskets.