5.0 · 1 review
SKU: 570-103

LSX Main Harness Connector Kit

$161.99
FREE delivery
Description

ABOUT THIS PRODUCT

Introducing EFI Engine Connector Kits - From Holley EFI. With the latest addition to our ever-expanding Wiring Shop, our goal was to provide you with every engine connector used on the Holley EFI main harnesses. If you are building a custom engine harnesses for your ride, but you do not have the time to hassle with sorting out every connector, pin, seal and tpa, then these kits are for you! Kits are available for most common domestic V8's, such as; LS, Coyote, 2V and 4V Modular, and GEN III HEMI engines.

Product Features:
  • Pairs great with flying lead harness (Holley part number 558-126)
  • Used to build custom engine harnesses
  • LSX
  • Pins, seals, and TPA's
Specifications
Brand
Holley EFI (770)
SKU
570-103
Product type
Automotive
Guides & Resources
User Guide
Returns Policy
Shipping Information

Free shipping on all orders. Most items ship next business day after your order is placed.

Returns Policy

Returns are accepted when the product is in its original, unopened container. Contact us if you have questions about your order.

View full returns policy

Customer Reviews

5.0

Based on 1 review

51
40
30
20
10
E
Emma S. Verified Buyer
12/14/2025

Exactly what I needed

Easy to order and arrived quickly. Product matched the listing and works great.

Share your thoughts