Painless Performance
HARNESS WIRING MPI LS3 4L65E K
$942.99
Only 7 left
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- 30-Day Returns
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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 LS3 engine setup with the Painless Performance HARNESS WIRING MPI LS3 4L65E K, designed specifically for seamless integration in Chevrolet and Pontiac models from 2008 to 2017. This standalone harness ensures a hassle-free installation and reliable performance.
- Easy Installation: Comes complete with a 10 circuit weatherproof fuse block, mounting bracket, and all necessary terminals and connectors.
- Color-Coded Wiring: GM color-coded wires with labels simplify the setup process, ensuring you connect everything correctly.
- Mass Airflow Meter: Designed for multi-port fuel injection, enhancing engine efficiency and performance.
- Standalone Design: Not an OEM replacement, this harness is built for engine swaps, providing a dedicated solution for your custom setup.
Transform your vehicle's performance with the Painless Performance HARNESS WIRING MPI LS3 4L65E K, engineered for power and reliability.
- Ships fast from US warehouses
- 30-day hassle-free returns
Specifications
| Brand | Painless Performance |
| GTIN | 00749823605244 |
Frequently Asked Questions
What is the Painless Performance HARNESS WIRING MPI LS3 4L65E K used for?
This harness is designed for use on any 2007 and up LS3 engine with throttle by wire, intended for standalone applications, particularly when swapping into another vehicle.
What does this wiring harness include?
Included with this harness is a 10 circuit weatherproof fuse block and mounting bracket, GM color coded wires with labels, and all the required terminals and connectors for easy installation.
Is this harness compatible with flex fuel operation?
No, this harness does not support flex fuel operation.
How difficult is it to install the Painless Performance wiring harness?
The installation process is designed to be straightforward with the included connectors and labeled wires; however, professional installation is recommended if you are not experienced with wiring.
What vehicle makes and years is this wiring harness compatible with?
This wiring harness is compatible with Chevrolet and Pontiac vehicles from the years 2008 to 2017.
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$942.99