The ScienceofSpeed Fuel Rail Adaptor bolts on to the factory fuel rail replacing the factory fuel pressure regulator so that an aftermarket fuel pressure regulator may be used. Adapter has a 1/4" NPT thread size for fitting AN-6, AN-8, or barbed fuel fittings (these fittings are not included).
CNC machined billet aluminum, hard anodized black. Includes a new high temp and fuel resistant Viton o-ring.