18-25 Ford Mustang 5.0L Gen 3 Coyote Nostrum High Performance H086‐1438 High Pressure Fuel Pump Kit

Unlock higher horsepower and ethanol tuning with this direct bolt-on high-pressure fuel pump. Flows 47% more than stock, supports up to 970 WHP on gas, and installs in under 2 hours—no permanent modifications required.

Top Features

  • 47% fuel flow increase over stock

  • Supports up to 970 WHP (gas), 715 WHP (E85)

  • Max operating pressure: 3500 psi

  • Fully welded stainless steel construction

  • Direct bolt-on with no OEM modifications

  • Reversible to stock fuel system

  • Includes all hardware, harness, and installation guide

  • Lifetime limited warranty

Vehicle Fitment

  • 2018–2023 Ford Mustang GT (5.0L Coyote)

  • 2021–2023 Ford Mustang Mach 1 (5.0L Coyote)

SKU: H086‐1438
$ 2,399.00 USD
On-Sale $ 2,399.00 USD
Normally
Better hurry, only 0 left in stock.

Secure Shopping with Hassle Free Returns

Free Shipping on orders over $149

10 customers are viewing this product
This product is NOT CARB-APPROVED. We cannot ship this item to CA or any Carb regulated states. To avoid cancellation fee, do not order this if you live in California.
  • More Power Tuning
  • More Power Tuning

Proposition65 Warning: Cancer and Reproductive Harm

Nostrum High Performance HPFP Kit – H086‑1438 (Mustang 5.0L Gen 3 Coyote)

This high‑pressure fuel pump kit is engineered specifically for the 2018‑2023 Ford Mustang GT and Mach 1 models powered by the 5.0L Gen 3 Coyote engine. It flows 47 % more fuel than the factory pump, enabling up to ~970 WHP on gasoline or ~715 WHP on E85 (GDI only), unleashing ethanol tuning and serious horsepower potential. Constructed from fully welded stainless steel and CFD‑optimized with an integrated damper housing and SAE quick‑connect fittings, this direct bolt‑on kit installs with no modifications to OEM components. It retains the OEM low‑pressure feed line, is 100 % production tested, reversible to the factory system, and backed by a lifetime warranty.

Key Features

  • Designed vehicle‑specific solution for Gen 3 Coyote 5.0L Mustang

  • 47 % higher fuel flow compared to stock pump

  • Fully welded stainless steel construction for leak‑free durability

  • CFD‑optimized damper housing with integrated SAE quick‑connect fittings

  • Direct bolt‑on installation, no trimming or modification of OEM parts

  • 100% production tested to ensure consistent performance

  • Fully reversible installation—no permanent changes to fuel system

Benefits

  • Unlocks ~970 WHP potential on gasoline or ~715 WHP on E85 (GDI only) with proper tuning

  • Supports high‑output builds and flex fuel capability—ideal for owners running boost or ethanol

  • Maintains OEM reliability with stainless steel design and production validation

  • Lifetime limited warranty offers long‑term peace of mind

  • Plug‑and‑play installation minimizes downtime and installation errors

  • Free technical support from calibration engineers and access to tuning guides

  • Convertible back to factory system without lasting modifications

Product Specifications

  • Geometric displacement: ~1.86 cc/rev

  • Max operating pressure: 24 MPa / 240 bar / 3500 psi

  • Flow rate increase: ~47 % over stock

  • Horsepower capacity (GDI only): ~970 WHP (gasoline), ~715 WHP (E85)

  • Material: Welded stainless steel

  • Color/finish: Industrial stainless appearance

  • Kit contents: Big bore HPFP (H066‑1437), vacuum brazed stainless‑steel tube assemblies, anti‑vibration P‑clamps, locating bracket hardware, flange installation tool and O‑ring, pump mounting flange, electrical harness/connector, installation guide, data card, certificate of authenticity

Install Difficulty Level

Installation is described as simple and bolt‑on, with detailed instructions included. Most users complete installation in approximately 2 hours, even with basic mechanical skills. This is a plug‑and‑play upgrade that avoids drilling or trimming OEM components.

Vehicle Fitment

Compatible with the following vehicles:

  • 2018‑2023 Ford Mustang GT (5.0L Coyote GDI)

  • 2021‑2023 Mustang Mach 1 (5.0L Coyote GDI)

Fits direct‑injection equipped Coyote platforms built from 2018 onward.

CARB Status

This product is not listed as CARB‑approved or issued an EO number, and is therefore unavailable for sale or registration in CARB‑regulated states, including California.

Install Difficulty Level (Summary)

Installation is straightforward and bolt‑on. With the kit’s detailed instructions, a mechanically inclined user can complete the swap in just around two hours.

For any questions about this product or to report product description inaccuracies, contact the MPT Performance experts at (407) 636‑7077 or by email.

Shipping Policy

MPT is proud to offer free shipping on most orders over $149.

  • Free shipping applies only to the contiguous United States. Shipping and handling charges will apply to orders outside the contiguous US, and the buyer is responsible for any duty fees or taxes their home country may charge to import goods.
  • With free shipping, we will choose the best shipping method for your order. We use all major carriers, including USPS, FedEx, UPS, and DHL.

Turnaround Times:

  • MPT Tunes have a standard turnaround time of 2-3 business days, beginning once we receive your MPT Tune Form.
  • We do not process orders on weekends or observed holidays, which do not count as business days.
  • Physical items that are in stock at MPT and ordered by 4PM EST will be shipped the same day. Orders placed after 4PM EST will be processed on the following business day.

Special Considerations:

  • Items not stocked at our location will follow the same processing times but may experience lead-time delays and could incur additional charges. Shipping methods may vary for these items based on what was paid and the requested delivery speed. If you need an item by a specific deadline, please contact an MPT Expert.
  • SCT Tuner Orders with the Prioritized Order option must have their tune forms submitted by 3PM EST to be completed the same day. Forms submitted after this time will be processed the next business day.
  • Orders will ship to the billing address listed on your order. If paying by credit or debit card, we can only ship to the billing address. Contact an MPT Expert for assistance if you need a different shipping address.

MPT Performance Returns and Refund Policy

A Return Authorization Number is required for all returns. Please contact an MPT Expert to obtain an RA # before sending anything back to us for any reason.

MPT tuning charges and license fees are Non-Refundable. The sale is final when MPT has sent the tune file over email. This includes both new tune purchases and tune updates.

Products other than MPT tunes, digital products, and MPT decals may be returned within 30 days for any reason, provided that the product has not been installed and is in brand new, unused condition with the original packaging. Once a product has been installed it is non-refundable. We reserve the right to deny the return, should the product be received and it display signs of installation or unmentioned damage.

For vehicle programmers/tuners, the vehicle must be returned to stock if a program was installed. If a tuning device is returned and has not been returned to stock, a refund will not be issued, and your tuner will not be sent back without a shipping and handling fee.

The customer is responsible for all shipping charges incurred during the return process.

Amount Refunded:
•Returns post marked before 30 days from the date the item was received will be refunded the purchase price, minus a 25% restocking fee and the cost of shipping.
After 30 days, all sales are Final.
•Shipping charges along with any package insurance are non-refundable. If your purchase was shipped with our Free Shipping option, the cost of the shipping will be subtracted from the total refund amount.

HP Tuners Credits are assigned to the HP Tuners product with the submitted serial number and cannot be transferred. Once you load a tune to your vehicle with the RTD, these credits are Non-Refundable.

Digital products and files that have no ability to be taken back physically, such as an SCT Tuner Unlock, are Non-Refundable.

nGauge Tune License Fee is included in your initial purchase of MPT tunes for the nGauge. This fee is factored into the price of the tunes and becomes Non-Refundable when the stock file has been emailed to MPT.

MPT Decals are Non-Refundable, once they have been received by the customer.

Year Make Model Submodel
2018-2025 Ford Mustang GT

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)

Related Products

Recently Viewed Products