Seller: cjrodzfdez (352) 100%, Location: Guayama, Puerto Rico, Ships to: Worldwide, Item: 143458884700 This are brand new, High Quality Billet Aluminum 14mm to 11mm Fuel Injector Reducer Adapters. This adapters will fit into our Racing High Flow Fuel Rails for Mazda RX-7 Turbo II or for any other fuel rail that is designed for 14mm fuel injectors o-rings. That means is a universal fit. O-rings included. Sold at 1 set of 6 pieces. No modifications are necessary. Just lubricate the o-rings with clean engine oil and push it into the fuel rail injector pocket. If you have any question please contact me. ***SHIPPING FROM USA*** BUY HERE FOR LESS!!! See my other auctions!!!