FAST Injector Harness 5.7/6.1 Hemi

This engine parts collection covers oil catch cans, thermostats, thermostat housings, radiator components, coolant accessories, engine covers, fuse box covers, cap covers, throttle bodies, supercharger pulleys, idler pulleys, tensioner pulleys, and engine bay dress-up parts for trucks, SUVs, muscle cars, boosted builds, high-horsepower street cars, and performance vehicles that need better reliability, cooling, airflow, oil control, and under-hood styling. The collection is particularly strong for Dodge Challenger, Charger, Durango, Jeep Grand Cherokee Trackhawk, and Ram TRX platforms running 6.2L Hellcat, 6.4L HEMI, and 5.7L HEMI engines, where oil catch can and cooling upgrades address known OEM weaknesses in the PCV and thermal management systems. Import performance platforms including GM LS-based builds, Chevrolet Camaro, and Corvette applications are also represented through Mishimoto, CSF, and ZPE GripTec product lines. Builders who invest in engine bay organization and reliab...

FAST, or Fuel Air Spark Technology, is a leading EFI system manufacturer that produces complete electronic fuel injection kits, throttle bodies, fuel injectors, intake manifolds, ignition controllers, and transmission controllers designed to help builders convert carbureted engines to modern fuel injection or upgrade existing EFI systems for significantly more power and tunability. As part of the Edelbrock Group family alongside COMP Cams and TCI Automotive, FAST benefits from decades of racing and street performance engineering experience that feeds into products tested in competition before reaching the aftermarket. The brand's self-learning EFI systems are the most popular entry point for small block Chevy, big block Chevy, and Mopar V8 owners converting from carbs who want fuel injection performance without extensive tuning knowledge, because the adaptive strategy programs the fuel map automatically during initial driving. Professional builders and race teams choose FAST XFI and...

Fuel system builds require dozens of small components that rarely get featured on their own but are essential to a leak-free, properly functioning setup. Miscellaneous fuel hardware includes everything from AN fittings and hose barbs to fuel cell foam, bung plugs, check valves, and return-line adapters that allow builders to connect aftermarket components to factory fuel circuits. In both EFI and carbureted applications, the reliability of the entire fuel system ultimately depends on the quality of each fitting, clamp, and connector in the line. Professional builders and DIY fabricators both rely on a well-stocked supply of these components to avoid mid-build delays. Popular Upgrades Top-selling miscellaneous fuel components include Earl's and Fragola AN-to-NPT fuel fittings for adapting custom fuel lines, Aeromotive weld-in bungs and NPT plugs for fuel cell fabrication, and Holley fuel line adapters for connecting late-model EFI rails to carbureted or aftermarket fuel systems. Vito...

A properly designed fuel delivery system is the backbone of any high-performance engine build, ensuring the injectors or carburetor receive a consistent supply of fuel at the correct pressure regardless of engine load, RPM, or fuel demand. From factory replacement pumps keeping daily drivers on the road to high-flow in-tank modules supporting 1000-horsepower builds, the right fuel delivery components prevent lean conditions, injector damage, and fuel starvation at the worst possible moment. Modern EFI systems are particularly sensitive to fuel pressure variation, with even small drops causing misfires and power loss under hard acceleration. Whether you are restoring a factory system or engineering a purpose-built race setup, matching pump flow rate and fuel pressure regulation to your injector and engine requirements is essential. Popular Upgrades Top-selling fuel delivery components include Aeromotive Phantom in-tank fuel pump kits that retrofit into factory tanks without custom fa...