Outdated Internet Browser Detected

The Internet Browser you are using cannot establish a secure connection to SummitRacing.com which will prevent you from being able to Log In or Checkout. This is most likely because SSL 3.0 is your default SSL setting. This makes you vulnerable to the "POODLE exploit" and to ensure your security, it is not allowed on our site. Please change your browser security settings to not allow SSL 3.0 or attempt to update your browser using these links.

Fuel Injection System Wiring Harnesses

You Have Selected

Display Options

Select the navigation view you prefer when narrowing your search.

Narrow Your Results

Catalog Quick Order:

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

The Ultimate Gift for Gearheads!
In-Store Pickup Location Close
Summit Racing

Benefits of Buying Through Us

  • Fast Shipping

    Learn More

  • Tech Advice

    Learn More

  • Easy Returns

    Learn More

  • See Details

Results 1 - 10 of 49

In-Store Pickup Location Select

Holley 558-400 - Holley J1A/B Dominator Auxiliary Wiring Harnesses

Click here for more information about Holley 558-400 - Holley J1A/B Dominator Auxiliary Wiring Harnesses

Wiring Harness, J1A/B Dominator, Holley, Kit

Not Yet Reviewed

Part Number: HLY-558-400 More Detail...

Estimated Ship Date: Today

$65.95

$58.91

  • On Sale

    Warning! Hurry sale prices won’t last long so take advantage of these Summit Racing Equipment values now!

Holley 558-308 - Holley Main Power Harnesses

Click here for more information about Holley 558-308 - Holley Main Power Harnesses

Wiring Harness, Main Power, Dominator, Holley, Kit

Not Yet Reviewed

Part Number: HLY-558-308 More Detail...

Estimated Ship Date: Today

$54.95

$50.87

  • On Sale

    Warning! Hurry sale prices won’t last long so take advantage of these Summit Racing Equipment values now!

Holley 558-200 - Holley EFI Systems Injector Wiring Harnesses

Click here for more information about Holley 558-200 - Holley EFI Systems Injector Wiring Harnesses

Wiring Harness, EFI, Avenger, Dominator, Holley, Kit

(1)

Part Number: HLY-558-200 More Detail...

Estimated Ship Date: Today

$110.95

$99.96

  • On Sale

    Warning! Hurry sale prices won’t last long so take advantage of these Summit Racing Equipment values now!

  • Free Shipping

    Order this item and get free delivery and handling on your entire order! Oversize fees also waived on this item. Valid on orders shipped in the contiguous United States.

Holley 558-401 - Holley Dominator EFI Auxiliary Harnesses

Click here for more information about Holley 558-401 - Holley Dominator EFI Auxiliary Harnesses

Wiring Harness, EFI Dominator, Holley, Kit

Not Yet Reviewed

Part Number: HLY-558-401 More Detail...

Estimated Ship Date: Today

$132.95

$119.16

  • On Sale

    Warning! Hurry sale prices won’t last long so take advantage of these Summit Racing Equipment values now!

  • Free Shipping

    Order this item and get free delivery and handling on your entire order! Oversize fees also waived on this item. Valid on orders shipped in the contiguous United States.

Holley 558-104 - Holley EFI Systems Main Wiring Harnesses

Click here for more information about Holley 558-104 - Holley EFI Systems Main Wiring Harnesses

Wiring Harness, EFI, Main Harness, Multi-Port, Kit

Not Yet Reviewed

Part Number: HLY-558-104 More Detail...

Estimated Ship Date: Today

$288.95

$271.96

  • On Sale

    Warning! Hurry sale prices won’t last long so take advantage of these Summit Racing Equipment values now!

  • Free Shipping

    Order this item and get free delivery and handling on your entire order! Oversize fees also waived on this item. Valid on orders shipped in the contiguous United States.

Holley 558-103 - Holley EFI Systems Main Wiring Harnesses

Click here for more information about Holley 558-103 - Holley EFI Systems Main Wiring Harnesses

Wiring Harness, EFI, Main Harness, Chevy, 6.0L, HLY-550-603, Kit

Not Yet Reviewed

Part Number: HLY-558-103 More Detail...

Estimated Ship Date: Today

$344.95

$324.76

  • On Sale

    Warning! Hurry sale prices won’t last long so take advantage of these Summit Racing Equipment values now!

  • Free Shipping

    Order this item and get free delivery and handling on your entire order! Oversize fees also waived on this item. Valid on orders shipped in the contiguous United States.

Holley 558-102 - Holley EFI Systems Main Wiring Harnesses

Click here for more information about Holley 558-102 - Holley EFI Systems Main Wiring Harnesses

Wiring Harness, EFI, Main Harness, Chevy, Pontiac, Kit

Not Yet Reviewed

Part Number: HLY-558-102 More Detail...

Estimated Ship Date: Today

$344.95

$324.76

  • On Sale

    Warning! Hurry sale prices won’t last long so take advantage of these Summit Racing Equipment values now!

  • Free Shipping

    Order this item and get free delivery and handling on your entire order! Oversize fees also waived on this item. Valid on orders shipped in the contiguous United States.

Holley 558-304 - Holley GM Distributor Wiring Harness Adapters

Click here for more information about Holley 558-304 - Holley GM Distributor Wiring Harness Adapters

Wiring Harness, Distributor, Multi-Port, Each

Not Yet Reviewed

Part Number: HLY-558-304 More Detail...

Estimated Ship Date: Today

$27.95

$25.86

  • On Sale

    Warning! Hurry sale prices won’t last long so take advantage of these Summit Racing Equipment values now!

Holley 558-305 - Holley EFI Systems Ignition Wiring Harnesses

Click here for more information about Holley 558-305 - Holley EFI Systems Ignition Wiring Harnesses

Wiring Harness, EFI, Ignition Harness, Ford, Kit

Not Yet Reviewed

Part Number: HLY-558-305 More Detail...

Estimated Ship Date: Today

$65.95

$60.70

  • On Sale

    Warning! Hurry sale prices won’t last long so take advantage of these Summit Racing Equipment values now!

Holley 558-201 - Holley Replacement Fuel Injector Wiring Harnesses

Click here for more information about Holley 558-201 - Holley Replacement Fuel Injector Wiring Harnesses

Fuel Injection Wire Harness, Multi-Port, Mass Airflow, Each

Not Yet Reviewed

Part Number: HLY-558-201 More Detail...

Estimated Ship Date: Today

$89.95

$84.82

  • On Sale

    Warning! Hurry sale prices won’t last long so take advantage of these Summit Racing Equipment values now!

View Compare

Page 1 of 5

Close