Nitrous Express solves another problem! Installing a nitrous system on a late model EFI ford can be a hassle if you don t have one of the new NX Fuel Rail Adapters. These high flow adaptors make the chore of tapping factory fuel systems safe and easy. No cutting or drilling just a quick, easy install that takes only minutes and each high flow adaptor has dual outlets for multiple uses. (COMPLETE KIT WITH BOLTS AND 1 O-RING)