Auxiliary Fuel / Port Injection and Nitrous Tuning Add-On NGK recommends not gapping the

NGK recommends not gapping the plugs

The fact that this requires tuning of two systems

Heat tape is included to reflect unwanted heat from the exhaust system

Should be used in conjunction with a catch can on the PCV (dirty) side of the crankcase system

Auxiliary Fuel / Port Injection and Nitrous Tuning Add-On NGK recommends not gapping theThis is for customers running additional Aux Fuel Port Injection, or Nitrous . Either injection via throttle body, or injection via intake manifold (port). The fact that this requires tuning of two systems, and the complexity of these systems, is why isn't included in the price of a ProTune. Nitrous Tuning MUST be a wet kit where fuel and nitrous are injected together. Because there is supplemental fuel being sprayed into the engine that is not