Summit Racing® EFI Wiring Harnesses for GM

You Have Selected

Display Options

Select the navigation view you prefer when narrowing your search.

Catalog Quick Order:

Already know the part number you need?
Click here to enter them directly into your cart.

Checkout Options

Summit Racing Checkout - PayPal

Payment Options

Bill Me Later Summit SpeedCard
In-Store Pickup Location Close
See parts for Summit Racing
Summit Racing® EFI Wiring Harnesses for GM

Dropping an LT1/LS1 in your hot rod? Then you'll need one of these complete Summit wiring harnesses! Insulated against extreme heat and fully tested, these harnesses have all the circuits and OE-style connectors you need to hook up your engine, computer and all the sensors. The harnesses have factory-coded wires and detailed instructions so you can make a professional installation look easy.

Results 1 - 2 of 2

In-Store Pickup Location Select

View Compare

Summit Racing SUM-890122 - Summit Racing® EFI Wiring Harnesses for GM

Click here for more information about Summit Racing SUM-890122 - Summit Racing® EFI Wiring Harnesses for GM

Wiring Harness, Engine Swap, Complete, Chevy, Small Block, 350, LS1, Kit

Not Yet Reviewed

Part Number: SUM-890122 More Detail...

Estimated Ship Date: Today

$649.97

  • Free Shipping

    Order this item and get free delivery and handling on your entire order! Offer excludes truck freight fees. Valid on orders shipped in the contiguous United States.

Summit Racing SUM-890121 - Summit Racing® EFI Wiring Harnesses for GM

Click here for more information about Summit Racing SUM-890121 - Summit Racing® EFI Wiring Harnesses for GM

Wiring Harness, Engine Swap, Complete, Chevy, Small Block, 350, LT1, Kit

Not Yet Reviewed

Part Number: SUM-890121 More Detail...

Estimated Ship Date: Today

$649.97

  • Free Shipping

    Order this item and get free delivery and handling on your entire order! Offer excludes truck freight fees. Valid on orders shipped in the contiguous United States.

View Compare
  • 1

Page 1 of 1

Close