Availability
FAST EFI Fuel Systems & More
FAST (Fuel Air Spark Technology) is a leading developer of advanced EFI systems. With close relationships with its customers, FAST has been able to develop...
FAST (Fuel Air Spark Technology) is a leading developer of advanced EFI systems. With close relationships with its customers, FAST has been able to develop new technologies by simply listening to the needs of performance enthusiasts like you. In 2001, FAST became a member of the COMP Performance Group, allowing the company to conduct even more extensive R&D with a larger team of engineers. Today, FAST continues to develop cutting-edge fuel injection products, including a complete line of superior EFI systems, intake manifolds, throttle bodies, and other parts. Want the best in fuel injection systems...
FAST (Fuel Air Spark Technology) is a leading developer of advanced EFI systems. With close relationships with its customers, FAST has been able to develop new technologies by simply listening to the needs of performance enthusiasts like you. In 2001, FAST became a member of the COMP Performance Group, allowing the company to conduct even more extensive R&D with a larger team of engineers. Today, FAST continues to develop cutting-edge fuel injection products, including a complete line of superior EFI systems, intake manifolds, throttle bodies, and other parts. Want the best in fuel injection systems and components? Go FAST!
Showing In Stock Items. Show All 46 Items.
Wiring Connectors, FAST ECU Main Connectors, Kit
Part Number: FST-301000K
Not Yet Reviewed
Estimated Ship Date: Jul 3, 2026 if ordered today
Estimated Ship Date: Jul 3, 2026 if ordered today
Electrical Wiring Connector, Power Adder Harness Connector, Kit
Part Number: FST-301400K
Not Yet Reviewed
Estimated Ship Date: Jul 3, 2026 if ordered today
Estimated Ship Date: Jul 3, 2026 if ordered today
Electrical Wiring Connector, IPU Ignition Adapter for FAST XFI/XFI 2.0 Systems, Kit
Part Number: FST-301300K
Not Yet Reviewed
Estimated Ship Date: Jul 1, 2026 if ordered today
Estimated Ship Date: Jul 1, 2026 if ordered today
Ignition Module Harness, XFI, Kit
Part Number: FST-301308
Not Yet Reviewed
Estimated Ship Date: Jul 3, 2026 if ordered today
Estimated Ship Date: Jul 3, 2026 if ordered today
IPU Adapter Harness, Connectors, Terminals, Seals, FAST XFI, Kit
Part Number: FST-301300
Estimated Ship Date: Jul 1, 2026 if ordered today
Estimated Ship Date: Jul 1, 2026 if ordered today
IGNITION ADAPTER HARNESS, FAST GM HEI
Part Number: FST-301302
Not Yet Reviewed
Estimated Ship Date: Jul 1, 2026 if ordered today
Estimated Ship Date: Jul 1, 2026 if ordered today
Wiring Harness, XFI, Fan and Fuel Pump, Each
Part Number: FST-301406
Estimated Ship Date: Jul 3, 2026 if ordered today
Estimated Ship Date: Jul 3, 2026 if ordered today
Crank Trigger, Magnet-Free, for use with a 6.562 in. Balancer, Ford, Small Block, Kit
Part Number: FST-303565
Not Yet Reviewed
Estimated Ship Date: Jul 3, 2026 if ordered today
Estimated Ship Date: Jul 3, 2026 if ordered today
Crank Trigger, Magnetic, for use with 8 in. Balancer, Chevy, Small Block, Kit
Part Number: FST-301285
Not Yet Reviewed
Estimated Ship Date: Jul 1, 2026 if ordered today
Estimated Ship Date: Jul 1, 2026 if ordered today
Weatherproof Wiring Connector, Connector kit for XFI 5 Wire Wide-Band Oxygen Sensor, Female Plug Includes 7 Pins and Seals, Kit
Part Number: FST-301422K
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Weatherpak 2 Pin Plug Kit
Part Number: FST-6000-6722
Not Yet Reviewed
Estimated Ship Date: Jul 3, 2026 if ordered today
Estimated Ship Date: Jul 3, 2026 if ordered today
CONNECTOR KIT, FAST VSS AND AUX. SHAFT
Part Number: FST-301403K
Not Yet Reviewed
Estimated Ship Date: Jul 3, 2026 if ordered today
Estimated Ship Date: Jul 3, 2026 if ordered today
CONNECTOR KIT, FAST FAN AND FUEL PUMP
Part Number: FST-301406K
Not Yet Reviewed
Estimated Ship Date: Jul 3, 2026 if ordered today
Estimated Ship Date: Jul 3, 2026 if ordered today
Ignition Module, XIM, Stand Alone Unit, Wiring Harness, 5.0L, Coyote, Ford, Kit
Part Number: FST-3013172
Not Yet Reviewed
Estimated Ship Date: Jul 3, 2026 if ordered today
Estimated Ship Date: Jul 3, 2026 if ordered today
ECU, Fast XFI, Main Harness, Chevy 1997-2004, 5.7L, Kit
Part Number: FST-301101
Not Yet Reviewed
Estimated Ship Date: Jul 3, 2026 if ordered today
Estimated Ship Date: Jul 3, 2026 if ordered today
Wiring Harness, Fast XFI, Main Harness, Chevy, 5.0, 5.7L, Kit
Part Number: FST-301100
Estimated Ship Date: Jul 3, 2026 if ordered today
Estimated Ship Date: Jul 3, 2026 if ordered today
Wiring Harness, Fast XFI, ECU, Chrysler, Dodge, Hemi, Kit
Part Number: FST-301104
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Wiring Harness, Fast XFI, Main Harness, Universal, Kit
Part Number: FST-301105
Estimated Ship Date: Jul 3, 2026 if ordered today
Estimated Ship Date: Jul 3, 2026 if ordered today
Ignition Module, XIM, Wiring Harness, Chevy, LS Gen IV, 58x Reluctor Wheel, LS2, LS3, LS7, Kit
Part Number: FST-301312
Not Yet Reviewed
Estimated Ship Date: Jul 3, 2026 if ordered today
Estimated Ship Date: Jul 3, 2026 if ordered today
Wiring Harness, Fast XFI, ECU, for Rear Engine Dragster/Boat, Kit
Part Number: FST-301106
Not Yet Reviewed
Estimated Ship Date: Jul 3, 2026 if ordered today
Estimated Ship Date: Jul 3, 2026 if ordered today
Ignition Module, XIM, Wiring Harness, Chrysler, Dodge, Jeep, RAM, 5.7L Hemi, Kit
Part Number: FST-301316
Not Yet Reviewed
Estimated Ship Date: Jul 3, 2026 if ordered today
Estimated Ship Date: Jul 3, 2026 if ordered today
Nitrous System, Diesel Nitrous Kit
Part Number: FST-82028
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
FAST LS2/LS7 CRANK PICKUP ADP.HARNESS
Part Number: FST-301416
Not Yet Reviewed
Estimated Ship Date: Jul 3, 2026 if ordered today
Estimated Ship Date: Jul 3, 2026 if ordered today
Estimated Ship Date: Tomorrow
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster