The FAST™ High Flow Billet Fuel Rails feature a larger internal diameter that dampens the pulses and provides increased fuel volume, ensuring that your injectors never run dry. In addition, they yield better fuel distribution and ultimately greater horsepower. Featuring high strength billet, lightweight, black anodized aluminum construction, FAST™ LS1 fuel rails deliver performance in addition to a show car quality appearance.

Fits FAST™ LSXR™ Low Profile Intake Manifolds

For LS1 Height Injectors - Bolt fuel rails directly to intake
For LS2 Height Injectors - Use SKU 551287-LS-047 (Sold Seperately)
For LS3 Height Injectors - Use SKU 551348 (Sold Separately) 
For Truck Height Injectors - Use SKU 551371 (Sold Separately)

Includes Black Anodized Fuel Rails & #8 Fittings w/ “Super Seal” O-Rings