BBK's high-flow billet aluminum fuel rail kits are designed to work with stock Ford injector angles and spacing. They will work on stock or aftermarket intake manifolds, so you can get the same great performance and value that they deliver. Recommended for higher horsepower applications where larger fuel injectors are used, the BBK high-flow billet aluminum fuel rail kits will eliminate fuel pressure loss. The kits include precision CNC-machined billet aluminum fuel rails, mounting hardware, brackets, and hose connectors.