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Collection: Wiring Harnesses

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716 products

FAST Wiring Harness W/Relay FAST

Wiring Harnesses

FAST Wiring Harness W/Relay FAST

Regular price $367.95
Sale price $367.95 Regular price
FAST Distributor Module Replace for Olds

Wiring Harnesses

FAST Distributor Module Replace for Olds

Regular price $140.95
Sale price $140.95 Regular price
FAST Harness EZ-EFI Gen2 Main

Wiring Harnesses

FAST Harness EZ-EFI Gen2 Main

Regular price $452.95
Sale price $452.95 Regular price
FAST Cig. Plug-In Adapter For EZ-E

Wiring Harnesses

FAST Cig. Plug-In Adapter For EZ-E

Regular price $26.95
Sale price $26.95 Regular price
FAST Wiring Harness XIM For LS1

Wiring Harnesses

FAST Wiring Harness XIM For LS1

Regular price $334.95
Sale price $334.95 Regular price
FAST FAST LS2/LS7 Crank Pickup Adapter

Wiring Harnesses

FAST FAST LS2/LS7 Crank Pickup Adapter

Regular price $30.95
Sale price $30.95 Regular price
FAST Harness FAST Fuel And Oil

Wiring Harnesses

FAST Harness FAST Fuel And Oil

Regular price $410.95
Sale price $410.95 Regular price
FAST Harness FAST Fan And Fuel Pump

Wiring Harnesses

FAST Harness FAST Fan And Fuel Pump

Regular price $92.95
Sale price $92.95 Regular price
FAST Harness FAST EGT Kit

Wiring Harnesses

FAST Harness FAST EGT Kit

Regular price $1,327.95
Sale price $1,327.95 Regular price
FAST Harness FAST VSS and Auxiliary Shaft Wiring Harness

Wiring Harnesses

FAST Harness FAST VSS and Auxiliary Shaft Wiring Harness

Regular price $46.95
Sale price $46.95 Regular price
FAST Harness FAST Analog Input Kit

Wiring Harnesses

FAST Harness FAST Analog Input Kit

Regular price $55.95
Sale price $55.95 Regular price
FAST Harness FAST Power Adder Kit

Wiring Harnesses

FAST Harness FAST Power Adder Kit

Regular price $45.95
Sale price $45.95 Regular price
FAST Ignition Adapter Harness FAST

Wiring Harnesses

FAST Ignition Adapter Harness FAST

Regular price $92.95
Sale price $92.95 Regular price
FAST Ignition Adapter Harness Buick V6

Wiring Harnesses

FAST Ignition Adapter Harness Buick V6

Regular price $169.95
Sale price $169.95 Regular price
FAST Ignition Adapter Harness GM LT1

Wiring Harnesses

FAST Ignition Adapter Harness GM LT1

Regular price $112.95
Sale price $112.95 Regular price
FAST Ignition Adapter Harness FAST

Wiring Harnesses

FAST Ignition Adapter Harness FAST

Regular price $49.95
Sale price $49.95 Regular price
FAST Ignition Adapter FAST Hall Effect

Wiring Harnesses

FAST Ignition Adapter FAST Hall Effect

Regular price $57.95
Sale price $57.95 Regular price
FAST Wiring Harness F.I. 4&7 Swap

Wiring Harnesses

FAST Wiring Harness F.I. 4&7 Swap

Regular price $191.95
Sale price $191.95 Regular price
FAST Wiring Harness Std F/O SBC

Wiring Harnesses

FAST Wiring Harness Std F/O SBC

Regular price $163.95
Sale price $163.95 Regular price
FAST Wiring Harness Main LS1LS2L

Wiring Harnesses

FAST Wiring Harness Main LS1LS2L

Regular price $439.95
Sale price $439.95 Regular price

About Pure Auto Performance

Pure Auto Performance started with a simple idea: helping people find quality parts they can trust without the stress and confusion that usually comes with upgrading a car. We’re enthusiasts just like you, and we know how much pride goes into every build. Whether it’s improving a daily driver or working on a long-term project, the right part can make your car feel brand new again. That’s why we put care into everything we offer, choosing products that genuinely make a difference on the road.

We also believe car parts should be more than just nice to look at they should last, perform well, and fit the vision each driver has. Some customers prefer clean, subtle upgrades, while others love bold changes that completely transform their vehicle. No matter the style, our goal is to make the process easy, honest, and enjoyable. At Pure Auto Performance, we’re here to support you at every step so you can build a car that feels right for you. This brand is more than a store. It’s a community of people who love driving and want the best for their cars.

1-2 Day Fast Delivery
30 Days Free Returns
Secure Payment
24/7 Customer Support
High Quality Parts