The SplitFire Super Direct Ignition System is designed exclusively for the Japanese high performance engines. This system replaces the original equipment coil pack and ignition wires with a direct ignition coil on plug system. The increased ignition performance found with the SplitFire Super Direct Ignition System is a must for all racing and performance enthusiasts. Product Features: Increases horsepower at the top end of the RPM band Ensures and maintains maximum energy supplied to the spark plugs Reduces incomplete combustion caused by misfire Eliminates RFI (radio frequency interference) by eliminating the need for a wire set Easy installation designed to fit the high performance engines Single replacement coil also available, see associated products below Vehicle Compatibility: - Nissan R35 GTR 11/2007- (VR38DETT)