Holley LS High-Flow Fuel Rails – Black Anodized Fits LS1, LS2, LS3, LS6 & L99 Factory Intake Manifolds. Fits LS1, LS2, LS3, LS6, and L99 factory intake manifolds. Holley High-Flow Fuel Rails are designed to support increased fuel demand for high horsepower LS applications while maintaining a clean, factory-style fit on OEM intake manifolds.
