





Precision Raceworks
N55 "Gauntlet" HPFP upgrade
N55 "Gauntlet" HPFP upgrade
CON5X DROPSHIP
11450 Cherokee Street
A-1
Northglenn CO 80234
United States
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Introducing the N55 Gauntlet High Pressure Fuel Pump, the latest innovation from Precision Raceworks, built to outperform and provide unmatched value for N55 enthusiasts. Engineered to flow 70% more fuel than stock and 4% more than the original Big Bore, the Gauntlet sets a new standard in high-performance fuel delivery. Whether you’re looking to maximize power or prepare for future upgrades, the Gauntlet HPFP is designed to meet your needs with exceptional performance and reliability.
Features:
+70% more fuel flow than the stock N55 pump.
- Cast stainless steel construction for a compact, robust design.
- Plug-and-play installation requiring no modifications, fully reversible for future projects.
- All-new low-pressure inlet tube with Teflon internals and stainless steel high-pressure outlet tube for optimal durability.
- Complete installation kit, including pump adaptation flange, alignment tool, electrical harness adapter, and ultra-low-profile bolt for the knock sensor.
- Detailed color installation guide and tuning resources available for easy setup.
- Dynamically tested for consistent performance at multiple speeds and pressures, with serialized flow test reports.
Performance:
The Gauntlet HPFP supports up to 240 bar fuel rail pressure, providing consistent fuel delivery for even the most demanding applications. Whether you’re running pump gas, E85, or any blend in between, the Gauntlet is proven through over 60,000 miles of on-road testing and dynamic testing on HPFP test benches.
Value Proposition:
1. **Best in Class Performance:** Outflows the competition by 70%, offering the best HPFP upgrade available for the N55 platform at an unbeatable price.
2. **Easy Installation:** Designed for a hassle-free, fully reversible installation. No need for modifications to stock parts, and tuning guides are provided for smooth calibration.
3. **Performance Bundles Available:** Maximize DI-only power with the option to bundle the Gauntlet HPFP with the largest injectors available.
Compatibility:
- Supports all standard N55 setups, excluding early models with the N54-style pump.
- Compatible with +38% N55 lift kits but not with +49% kits due to its bypass rate at high RPM.
Frequently Asked Questions:
- How is the Gauntlet different from the Big Bore HPFP?
- The Gauntlet features a larger piston and cast stainless-steel design for increased flow and lower price compared to the Big Bore. It retains the 240-bar capability, making it a great option for high-performance builds.
- Can I install the Gauntlet pump at home?
- Absolutely. The installation kit includes everything you need, and a tune is required to maximize the pump’s potential.
- Is the Gauntlet pump compatible with E85?
- Yes! It has been rigorously tested with various fuel types, including E85, ensuring reliable performance in any scenario.
Experience the Gauntlet High Pressure Fuel Pump from Precision Raceworks—your ultimate solution for pushing the limits of the N55 engine. Ready to handle any fuel, any power level, and always ready to deliver top-tier performance.
The items installed or applied to vehicles are intended strictly foroff-road use onlyandtrack vehicles. These modifications may not comply with emissions, safety, or environmental regulations required for public road use underEnvironmental Regulatory Agency (ERA)laws. It is the sole responsibility of the vehicle owner or operator to ensure adherence to all applicable local, state, and federal regulations. Use on public roads may result in legal penalties or vehicle impoundment. Always verify compliance with local authorities before installation.
We get a large number of custom orders and requests everyday, so as a result it is not always possible for us to keep every item in stock at all times in our warehouse. If you require the item urgently please contact our sales team here to check the stock before you make your purchase.
If you're unsure whether a part will fit your vehicle, feel free tocontact us herewith your inquiry. Our helpful sales team will reach out to confirm if it's the right match for you.
We offer a flat-rate shipping fee across thecontinental United States. This excludes Alaska, Hawaii, and U.S. territories. For international orders, additional shipping costs will apply. Please contact us for a quote if you are outside the continental U.S.
Also, feel free to also contact us at ColoradoN5X@Gmail.Com for any other questions.
Not all items are covered by warranty. Items including warranty, will clearly state that there is warranty within the product description. Most of these items will be a standard 1-year warranty against manufacture defects. You, the customer, will be responsible for shipping and handling. We will fix/replace that item with a product that is in working condition if you meet the warranty criteria. Please note that you will be allowed ONLY 1 claim within the year for that product. ColoradoN5X is not responsible for any damage caused during the installation of our products.
PLEASE NOTE
- Orders with both in-stock and backorder or out-of-stock products will be dispatched once all products are available to ship together.
- Contact our sales team if you want your parts fitted to your vehicle at our London workshop.
- Shipping estimates are based on courier delivery times and don't include time to despatch from our warehouse.