FREE 1 to 3-Day Delivery on Orders $149+ Details

$20K Sweeps! 10 Chances to Win! Enter Daily >

Find for your Mustang

JMS PowerMAX 70 Amp 12V Fuel Pump Wiring Upgrade Kit (11-12 Mustang GT500)Find parts that fit my vehicle

Item 409312
Product Image
27 Reviews of JMS
Our Price

$129.75 kit

Military, Medical & First Responders $6.49 Available in AM Cash Rewards.
Confirm Eligibility

CONFIRM THIS FITS YOUR VEHICLE!

Select a different vehicle Help?
Update or Change Vehicle
Add to Cart
Save for later
    Create a list
    Add to New List

    Saved - View your saved items

    We're sorry. We couldn't save this product at this time.

    or use

    Shop Owners Save More! Sign up for our dealer program
    Join For FREE

      Product Information

      Features, Description, Q&A, Specs & Installation

      Features

      • JMS PowerMAX 70 Amp 12V Fuel Pump Wiring Upgrade Kit
      • PowerMAX Fuel Pump Wiring Upgrade Kit
      • 70 Amp Electrical Capacity
      • 12V Fuel Pump Power System
      • Accessory Fuse and Relay Wiring Kit
      • Designed to Increase Fuel Pump Power Delivery
      • OEM-Style Direct Integration Design
      • Easy Installation
      • One-Year Limited Warranty
      • Fits 2011 to 2012 Mustang GT500

      Description

      Fuel Pump Power Upgrade. The JMS PowerMAX 70 Amp 12V Fuel Pump Wiring Upgrade Kit is engineered to deliver consistent, increased voltage to the fuel pump under high-demand conditions. By improving power delivery, the PowerMAX Fuel Pump Wiring Upgrade Kit helps support higher fuel flow for performance applications. This upgrade is critical for maintaining reliable fuel system operation in high-horsepower builds.

      Construction and Appearance. This kit features high-quality wiring, an integrated relay, and an accessory fuse designed to handle up to 70 amps of electrical load. OEM-style connectors and direct integration design ensure a clean, factory-like installation. All components are built for durability and reliable performance in demanding engine bay environments.

      Installation. Installation is easy and suitable for DIY or professional installers. Drilling is not required, as the kit integrates directly into the factory fuel pump electrical system.

      Warranty. The JMS PowerMAX 70 Amp 12V Fuel Pump Wiring Upgrade Kit is backed by a one-year limited warranty.

      Application. This JMS PowerMAX 70 Amp 12V Fuel Pump Wiring Upgrade Kit fits 2011 to 2012 Ford Mustang GT500.

      JMS JCA105732

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      Installation & What's in the Box

      Installation Info

      Installation Time

      (approx) 30 Minutes

      Difficulty Level:

      Simple installation for anyone.

      Installation Guides

        No guide available for this part yet.

      What's in the Box

      • (1) Fuel Pump Wiring Harness
      • (1) Relay
      • (1) Fuse
      • (1) Required Installation Hardware
      4.9

      Reviews of JMS Engine Products (27)

      Questions & Answers

      No questions about this product yet. Ask the First Question

      Will It Fit My Mustang

      • GT500 - 11, 12