Fuel Delivery

If you're running an aftermarket positive displacement lift pump like our PowerFlo on your Duramax our fuel primer bulb sealing kit will allow you ...

The return fuel pressure test port for the 2011-2016 LML Duramax is designed to aid the technician in troubleshooting return fuel pressure, often n...

Replacement high pressure fuel line for 6.6L LML Duramax's with CP3 conversion kits. Fitment: Direct replacement line that is originally included i...

The Donaldson P553203 Fuel Filter is a direct replacement filter for the Fleece L5P Duramax Fuel Filter Kits and 1998.5-2018 Dodge Ram Cummins Auxi...

Introducing our all-new full featured auxiliary fuel filter kit for the 2011-2016 LML 6.6L Duramax! This kit replaces the factory fuel filter housi...

Replacement CP3 adapter machined from billet aluminum for the 2001-2016 GM Duramax. Includes new O-rings for the CP3 pump snout and CP3 adapter. AP...

Brand new Bosch CP3 for the 2006-2010 Duramax from Fleece Performance! Direct drop in replacement for stock injection pump. Pump include a new snou...

Fuel Rail Crossover Line, LSX/ FAST -8ANCatalogWarranty

FAST Precision-Flow Fuel Injectors deliver the outstanding idle quality, unparalleled flow consistency and durability essential for high performanc...

FAST Precision-Flow Fuel Injectors deliver the outstanding idle quality, unparalleled flow consistency and durability essential for high performanc...

FAST Precision-Flow Fuel Injectors deliver the outstanding idle quality, unparalleled flow consistency and durability essential for high performanc...

FAST Precision-Flow Fuel Injectors deliver the outstanding idle quality, unparalleled flow consistency and durability essential for high performanc...

FAST Precision-Flow Fuel Injectors deliver the outstanding idle quality, unparalleled flow consistency and durability essential for high performanc...

Whether you want to install a new inline fuel pump, or retro-fit an in-tank pump into a fuel tank that was originally manufactured without a pump, ...

FAST has taken the next step in making EFI (electronic fuel injection) easier with these FAST Complete Fuel System Kits. These kits cover all stree...

FAST has taken the next step in making EFI (electronic fuel injection) easier with these FAST Complete Fuel System Kits. These kits cover all stree...

Whether you want to install a new inline fuel pump, or retro-fit an in-tank pump into a fuel tank that was originally manufactured without a pump, ...

Whether you want to install a new inline fuel pump, or retro-fit an in-tank pump into a fuel tank that was originally manufactured without a pump, ...

The FAST Adjustable Fuel Pressure Regulator is a premium CNC billet regulator designed to exact specifications by our engineers. The unit features ...

GM 25 to 60 PSI Fuel Pressure RegulatorCatalogUser 1This Part Fits: Year Make Model Submodel 1980-1987 Buick Regal Base 1982-1983 Buick Regal ...

This kit includes 8 fuel injector fittings for fabricators who want to make their own multiport EFI intake manifolds.CatalogUser 1

FAST Fuel Rails are machined from 6005A-T5 Aluminum and feature a large 11/16" inside diameter for consistent pressure at each fuel injector. Black...

FAST Fuel Rails are machined from 6005A-T5 Aluminum and feature a large 11/16" inside diameter for consistent pressure at each fuel injector. Black...