Fuel DeliveryFuel RailsNew ProductsPerformance Parts
FAST LSX/LSXR/LSXRT Fuel Rails feature a larger internal diameter that dampens the pulses and provides increased fuel volume, ensuring that your injectors never run...
Fuel DeliveryFuel RailsNew ProductsPerformance Parts
FAST LSX/LSXR/LSXRT Fuel Rails feature a larger internal diameter that dampens the pulses and provides increased fuel volume, ensuring that your injectors never run...
Engine ComponentsOut of Stock ProductThrottle Bodies
The Black Fast Big Mouth 102mm throttle body provides increased airflow through a smoother offset blade pivot. In addition we increased blade thickness to...
FAST XFI Fuel Injector Harnesses connect the XFI ECU to the fuel injectors. These harnesses are designed to aC-Commodate most common V8 engines from...
Best SellersFuel DeliveryFuel Injectors - SingleNew ProductsPerformance Parts
FAST Precision-Flow Fuel Injectors deliver the outstanding idle quality, unparalleled flow consistency and durability essential for high performance EFI engine applications. Engineered to yield...
Best SellersEngine ComponentsIntake ManifoldsNew Products
The FAST LSXHR 103mm Intake Manifold is ideal for generating maximum power in boosted and naturally aspirated GM LS cathedral port engines. It ships...
Best SellersEngine ComponentsIntake ManifoldsNew Products
FAST has developed the industry’s first polymer tunnel ram-style intake manifold, ideal for generating maximum power in boosted and naturally aspirated engines. Available for...
Best SellersEngine ComponentsIntake ManifoldsNew Products
Replacement parts available. See 54039BUS for the upper shell. See 54039BLS for lower shell. Billet fuel rails available under 54023. Compatible throttle bodies available...
Best SellersEngine ComponentsIntake ManifoldsNew ProductsPerformance Parts
The FAST LSX 102mm Intake Manifold for GM 4.8, 5.3 and 6.0 truck engines provides bolt-on performance gains without any loss in bottom-end drivability.This...
Best SellersNew ProductsProgrammers & ChipsProgrammers & Tuners
The next generation of the world's simplest self tuning fuel injection system is here. Designed for all applications making up to 650 horsepower, the...
The Fast Big Mouth 102mm throttle body provides increased airflow through a smoother offset blade pivot. In addition we increased blade thickness to eliminate...
Best SellersEngine ComponentsNew ProductsWiring Harnesses
FAST offers several main harness options to aC-Commodate most customers' needs. The XFI Main Harness is responsible for connecting your XFI ECU to sensors...