Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
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 39 Items.
Air/Fuel Meter, Dual Bank, Wireless, 0-5V, Each
Part Number: FST-170302
Estimated Ship Date: Today
Estimated Ship Date: Today
O2 Sensor, LSU4 Wideband, 5-Wire, Male 6-Pin Plug, 18mm, Each
Part Number: FST-170408
Estimated Ship Date: Today
Estimated Ship Date: Today
Oxygen Sensor, 5-wire, Wideband, LHA-Type, Thread-in, Wiring Harness, Designed for F.A.S.T. XFI Systems, Each
Part Number: FST-301422
Estimated Ship Date: Today
Estimated Ship Date: Today
Estimated Ship Date: Today
Gauge Wiring Harness, Air/Fuel Meters, 12 ft., with Power Lead, Each
Part Number: FST-170480
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Control System, XFI Sportsman EFI, ECU, Wiring Harness, Wide-band O2 Sensor, Kit
Part Number: FST-303000
Estimated Ship Date: Today
Estimated Ship Date: 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: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Harness, Replacement Cable, Wideband Dyno, 22 ft. Length, Each
Part Number: FST-170461
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Today
Engine Control Unit, FAST XFI 2.0, Kit
Part Number: FST-301000
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System, EZ-EFI 2.0 Self-Tuning, Black Anodized Throttle Body, 4-barrel Square Bore Flange, Kit
Part Number: FST-30400-KIT
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Management System, XFI Sportsman, ECU, Ignition Controller, 02 Sensor, Wiring Harness, Software, USB Cable, Chevrolet, LS, Kit
Part Number: FST-303004
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Engine Control Unit, Marine, XFI 2.0, O-Ring Sealed, Kit
Part Number: FST-301015
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Fuel Injection System, EZ-EFI 2.0 Self-Tuning, Black Anodized Throttle Body, 4-barrel Square Bore Flange, Kit
Part Number: FST-30403-KIT
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
Engine Management System, EZ-EFI Self-Tuning, EZ-EFI 4 Injector Throttle Body, ECU, Wiring Harness, Kit
Part Number: FST-304001
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
EZ-EFI 2.0 Self Tuning Engine Control System - Multi-Port Retro-Fit Type, Kit
Part Number: FST-30404-KIT
Estimated Ship Date: Today
Estimated Ship Date: Today
EZ-EFI 2.0 Self Tuning Engine Control System, GM, LS, Engine Swap, Kit
Part Number: FST-30405-KIT
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
