Painless Performance
HARNESS FUEL INJECTION LS1 5.7
$763.99
Only 6 left
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Shipping & Returns
Most orders ship within 1–2 business days from US warehouses. Tracking is emailed as soon as your order is on its way.
30-day hassle-free returns on unused parts in original packaging. Read the full returns policy
Overview
Upgrade your Chevy or Pontiac with the Painless Performance Fuel Injection Harness designed specifically for LS1 and LS6 engines. This standalone harness simplifies your engine swap, ensuring a reliable connection for your fuel injection system.
- Easy Installation: Comes with GM color-coded wires and labels to guide you through the wiring process, making setup straightforward even for DIY enthusiasts.
- Versatile Compatibility: Tailored for 1997-2004 throttle by wire LS1/LS6 engines paired with either a 4L60E/4L65E automatic or T56 manual transmission.
- Enhanced Safety: Includes an 8 circuit modular fuse block to protect your electrical system and enhance reliability.
- Standalone Design: This harness is not an OEM replacement, allowing you to run your engine and transmission in a custom application without emissions connections.
This wiring harness is sold individually and is perfect for those looking to swap an LS engine into a new vehicle setup. Trust Painless Performance for quality and reliability in your automotive projects.
- Ships fast from US warehouses
- 30-day hassle-free returns
Specifications
| Brand | Painless Performance |
| GTIN | 00749823605220 |
Frequently Asked Questions
What is the Painless Performance HARNESS FUEL INJECTION LS1 5.7 used for?
This harness is designed for the 1997-2004 throttle by wire LS1/LS6 engines and is intended for use with 4L60E/4L65E automatic or T56 manual transmissions.
What does the harness include?
Included with this harness is an 8 circuit modular fuse block and GM color coded wires with labels for easy installation.
How difficult is it to install the Painless Performance HARNESS FUEL INJECTION LS1 5.7?
While the harness is designed for easy installation, professional installation is recommended to ensure proper setup, especially since it is a standalone harness.
Is this harness an OEM replacement?
No, this is not an OEM replacement harness; it is a standalone harness intended for running the designated engine and transmission only.
What vehicles is this harness compatible with?
This harness is compatible with Chevrolet and Pontiac vehicles from the years 2002 to 2004.
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$763.99