Fuel Injector Seat Adapters. These adapters allow you to use an aftermarket injector with either factory or aftermarket fuel rails. Designed to fit into the intake manifold. Will Suit Nissan RB25 engines only. Suits 14mm aftermarket fuel injectors. Sold as a pack of 6 pieces,
OD = 25mm,
ID = 13.90mm
* With Aftermarket Fuel Rails Sold as A 6 Pack