Our fuel rail kit allows dual -8AN feeds to keep up with fueling demands with fuels like E85, E98, M1, and the like. This kit will also allow you to run both rails to a single high-flow fuel pressure regulator for complete control over your fuel system. Includes (2) fuel rails (4) -6 to 3/4-16 O-ring fittings, (6') braided hose, (4) 90 and (2) straight -6 hose ends, fuel rail mounting brackets, and required mounting hardware. Features: Bright dip, black anodized finish with laser etched EFI logo for long lasting good looks 5/8 diameter fuel passage provides the flow capacity for high horsepower applications Fuel rails are machined to accept -8 (3/4-16) O-ring fittings Includes (4) -6 to 3/4-16 O-ring adapters, (6') braided hose, (4) 90 and (2) straight -6 hose ends