Deatschwerks Fuel Rail SpecificationsDeveloped by Deatschwerks the vehicle and engine specific high-volume fuel rails offer higher-than-stock flow rates extended plumbing options and several unique features that set them apart from the competition. They are constructed of forged aluminum and anodized with a matte black finish and feature integrated brackets for easy installation. Their sleek no-frills design also helps reduce weight.Each rail has -8AN ORB inlet and outlet fittings for maximum performance and bottom-mount NPT ports for low-profile fuel pulsation damper integration (which reduces noise and pressure fluctuations). These products are engineered for use in both return and returnless configurations for great flexibility future-proofing your rails for build stages yet to come. Other highlights include NPT top and bottom ports for integration of nitrous pressure gauge or other accessories.Made in the USA with the utmost care Deatschwerks fuel rails are built to last and are exceptionally reliable. Each rail is delivered with all mounting accessories (hardware adapters brackets plugs etc.).