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

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.