FAST Fuel Injector Bungs 307017 - 8-Pack Designed for do-it-yourself fabricators who make their own multi-port fuel injection manifolds; these aluminum bushings can be welded or epoxied to a single plane, dual plane, tunnel ram or sheet metal manifold...

FAST GM LS XFI Main Harness 301108 This XFI Main Harness has labeled wires with weather pack connectors to fit the specified application. Easy plug and play with FAST XFI 2.0 ECU.       

FAST Wireless Air/Fuel Ratio Meter 170301- Single Sensor The state-of-the-art FAST® Wireless Air/Fuel Meter Kits measure your engine’s air/fuel ratio withprecision accuracy, all from the convenience of your smartphone! FAST® has...

FAST Wireless Air/Fuel Ratio Meter 170302 - Dual Sensor The state-of-the-art FAST® Wireless Air/Fuel Meter Kits measure your engine’s air/fuel ratio withprecision accuracy, all from the convenience of your smartphone! FAST® has...

FAST XFI 2.0 ECU w/ Data Logging & Traction Control 301007 For owners of fuel injected crate/transplant engines, FAST™ presents a solution to allow easy conversion to aftermarket EFI for late model engines. Kits are tailored to perfectly match...

FAST XFI 2.0 ECU w/ Data Logging & Traction Control 301008 - 16 Injector Option For owners of fuel injected crate/transplant engines, FAST™ presents a solution to allow easy conversion to aftermarket EFI for late model engines. Kits are...

FAST XFI 2.0 ECU w/ Traction Control & 16 Injector Option 301006 For owners of fuel injected crate/transplant engines, FAST™ presents a solution to allow easy conversion to aftermarket EFI for late model engines. Kits are tailored to perfectly...

FAST XFI 2.0 Marine ECU 301015 For owners of fuel injected crate/transplant engines, FAST™ presents a solution to allow easy conversion to aftermarket EFI for late model engines. Kits are tailored to perfectly match the specific brand and model of...

FAST XFI GM Gen III LS Fuel Injector Harness 301202 This injector Harness by Fast features labeled wires and weather pack connectors for easy installation in specified applications.        

FAST XFI GM Gen IV LS Fuel Injector Harness 301209 This injector Harness by Fast features labeled wires and weather pack connectors for easy installation in specified applications.        

FAST XFI Main Harness Connectors 301000K - Connectors Only, NO WIRES Weather Pack Connectors for FAST XFI System.      

FAST XFI Street Engine Management System With EZ-EFI Throttle Body 304001 All new from FAST, the XFI Street Engine Management System gives you a cost effective system with the flexibility of laptop tuning. This new system uses the same wiring as the FAST...