FAST wideband O2 wiring harnesses are your connections to air/fuel monitoring. When you need gauge accessories to keep the information flowing in your XFI system, FAST wideband O2 wiring harnesses will fill your requirements.

More From This Category

Haltech GM Gen III V8 (LS1/LS6) Terminated Engine Harness Kits, Nexus R5 LSx Non DBW Terminated Harness Injector Connector: EV1, Kit

Haltech GM Gen III V8 (LS1/LS6) Terminated Engine Harness Kits, Nexus R5 LSx Non DBW Terminated Harness Injector Connector: EV1, Kit

$1,965.00

View
Scott Drake Classic Body Wiring Harness, 1968 W/O Tach/GT Under-Dash Harness W/Premium Fuse Box And Relays, Kit

Scott Drake Classic Body Wiring Harness, 1968 W/O Tach/GT Under-Dash Harness W/Premium Fuse Box And Relays, Kit

$1,544.03

View
Rostra Transmission GM 4L65/70E Wire Harness 17-Pin Connector W/Conn. For Internal Mode Switch, 4L60-E Holden Commodore, Chevrolet, GM, Holden, Isuzu,

Rostra Transmission GM 4L65/70E Wire Harness 17-Pin Connector W/Conn. For Internal Mode Switch, 4L60-E Holden Commodore, Chevrolet, GM, Holden, Isuzu,

$155.30

View
Holley EFI Fuel Injection Wire Harness, Multi-Port, Avenger, HP, Dominator, Speed Density, Each

Holley EFI Fuel Injection Wire Harness, Multi-Port, Avenger, HP, Dominator, Speed Density, Each

$853.67

View
Haltech Elite ECU Engine Harnesses, Elite 1500 Mazda 13B S6-8 CAS with Flying Lead Ignition Terminated Harness Injector Connector: Bosch EV1, Kit

Haltech Elite ECU Engine Harnesses, Elite 1500 Mazda 13B S6-8 CAS with Flying Lead Ignition Terminated Harness Injector Connector: Bosch EV1, Kit

$1,477.00

View
Haltech Wiring Harnesses, Elite ECU Universal Harnesses, Elite 2500 & 2500 T Premium Universal Wire-in Harness Length: 2.5m (8'), Kit

Haltech Wiring Harnesses, Elite ECU Universal Harnesses, Elite 2500 & 2500 T Premium Universal Wire-in Harness Length: 2.5m (8'), Kit

$700.00

View