Bosch motorsport VAG ignition coil of the highest quality, these give the best power! VAG ignition coil shorter model. 27mm shorter than the normal length VAG coil! total length: 140mm (of which 35mm is the ignition coil itself) Suitable for Volvo T5 / T6, Toyota Supra MKIV, Nissan RB25 / 26 Only ignition coil, not supplied with connector. Make sure that the rubber part against the spark plug is lubed so dismantling of the coil gets easy. Highest quality ignition coil Wiring : 1 - Ground to ECU 2 - Engine ground 3 - 12v ignition 4 - ECU signal Ref : NGK 48003 NGK U5002