ASK OUR EXPERTS: 1-866-464-6553
 
MENU
Search
1-866-464-6553
 Larger Image

GM TPI and Stealth Ram EFI HARNESS KIT

GM TPI and Holley Stealth Ram™

PART# 558-503

Be the first to write a review
$564.95   Suggested Retail
$507.95   Your Price
Free Shipping
In Stock  
Qty: 
Add to Wish List

Starting at $45 a month with Learn More
Holley EFI Dealers
NOTICE: You will need to purchase a ECU and O2 Sensor to make this a complete kit.

Overview

An EFI system depends heavily on being supplied a clean and constant voltage source. The grounds of an electrical system are just as important as the power side. Our Holley EFI Harness Kit comes complete with the main harness, power harness and injector harness to support your primary system!

Features:

  • Harness Kit Includes: Stealthram/TPI Main Harness, Main Power Harness, V-8 Injector Harness, HEI Ign Harness and Ignition Adapter & Tach Input
  • Simple Installation
  • Works with HP or Dominator ECU's

Specs

BrandHolley EFI
Harness ApplicationGM
Ignition TypeCD Ignition (No Timing Control)
Injector ConnectorJetronic / Minitimer (Bosch)
Product TypeHarness Kit
Part Number558-503

Tech Resources

Holley EFI Support Forums
Holley EFI Dealers
Do you need a custom kit built for your application? Do you need a system installed and tuned? Click here to find the Holley EFI dealer in your area!
EFI selection chart
Instructions for Part# 558-503
NOTICE: You will need to purchase a ECU and O2 Sensor to make this a complete kit.
We Suggest
    Also Bought
      Reviews

        *Free Shipping & Handling only offered to the contiguous US on orders over $100.

        Some parts are not legal for use in California or other states with similar regulations.