This new Black Label Aluminum Fuel Rail Kit is a direct bolt on for the LS1 and LS6 Corvette, LS1 F-Body Camaro, and LS1 Firebird. The kit also compatible with GM Performance Parts LS1 and Fast intake manifolds for crate engines. The rails improve fuel rail volume, are light weight, and black anodized for a crisp clean look. There are no modifications needed and the kit comes with laser engraved, mounting brackets, and hardware for a hand tool bolt on installation. Custom Mast fuel rail fittings are available.