Horsepower starts with fuel.

No matter how capable the turbocharger, intercooler, or engine calibration may be, a vehicle can only perform as well as its fuel system allows. As power levels climb, factory direct-injection components often become the limiting factor.

Dorch Engineering was founded to solve that problem.

Specializing exclusively in high-performance fueling systems, Dorch develops precision-engineered components that enable modern direct-injection engines to safely support substantially higher power levels while maintaining OEM-like fitment and drivability.

Built Around Direct Injection

Modern direct-injection engines operate under extremely high fuel pressures.

Designing components that can reliably perform under these conditions requires far more than increasing pump size.

Dorch Engineering develops complete fueling solutions with an emphasis on volumetric efficiency, pressure stability, durability, and calibration support. Each component is engineered to integrate seamlessly with factory systems while providing the additional capacity demanded by modified engines.

Product Categories

Dorch Engineering offers a growing lineup of performance fueling components, including:

• High-pressure fuel pump upgrades
• Low-pressure fuel system upgrades
• Fuel pump assemblies
• Fuel controllers
• Port injection solutions
• Injectors
• Flex fuel accessories
• Fuel system hardware
• Installation components
• Vehicle-specific fueling packages

Many products are available as complete bolt-on kits designed to simplify installation while supporting future performance upgrades.

Vehicle Applications

Dorch Engineering develops products for many of today's most popular direct-injection performance platforms.

BMW

Extensive support is available for numerous BMW engines, including:

• N55
• B48
• B58
• S55
• S58
• N63
• S63

Applications cover a wide range of vehicles, including:

• 2 Series
• 3 Series
• 4 Series
• 5 Series
• 7 Series
• 8 Series
• X3
• X4
• X5
• X6
• Z4
• M2
• M3
• M4
• M5
• M8

Toyota

Fueling solutions are available for the GR Supra A90 and A91, sharing many components with the BMW B58 platform.

Ford

Dorch also supports several modern Ford EcoBoost and high-performance applications with direct-injection fuel system upgrades.

Additional Platforms

The catalog continues to expand with solutions for Porsche and additional direct-injection performance vehicles, while new applications are released as demand grows.

Designed for Every Stage of a Build

Not every vehicle requires the same level of fueling.

Some owners simply need additional capacity to support ethanol blends.

Others require enough fuel to feed upgraded turbochargers or fully built engines.

Dorch Engineering's staged product lineup allows enthusiasts to select a solution appropriate for their current setup while leaving room for future upgrades. Combined with extensive tuning support and OEM-style integration, this modular approach has made Dorch one of the leading names in direct-injection fueling.

Explore Dorch Engineering at XPH

At XPH, we offer a wide selection of genuine Dorch Engineering products, including high-pressure fuel pumps, low-pressure fuel systems, injectors, controllers, and supporting components for BMW, Toyota GR Supra, Ford, Porsche, and other modern direct-injection performance platforms.

Shop Dorch Engineering at XPH: https://x-ph.com/dorch-engineering/