Deatschwerks GM Truck Gen 3 and 4 LS Fuel Rails

Welcome to our DeatschWerks collection, the ultimate destination for high-performance EFI fuel system solutions. Established in 2004, DeatschWerks has been at the forefront of the automotive industry, providing innovative components designed for enthusiasts and professionals alike.     Why Choose DeatschWerks? Located in Oklahoma City, DeatschWerks operates from a state-of-the-art 36,000 sq. ft. facility, ensuring top-notch quality and performance in every product. The collection features: High flow drop-in fitment fuel injectors Advanced fuel pumps like the DW300, which outflows standard options Innovative modular surge tanks for superior fuel management Conversion fuel rails and dual-stage fuel filters Ethanol compatible fuel pressure regulators   Comprehensive Offerings With over 1000 SKUs available, the DeatschWerks collection caters to a variety of applications including Sport Compact, Modern Muscle, and Euro vehicles. Each product is crafted with precision to enhance your ve...

This engine parts collection covers oil catch cans, thermostats, thermostat housings, radiator components, coolant accessories, engine covers, fuse box covers, cap covers, throttle bodies, supercharger pulleys, idler pulleys, tensioner pulleys, and engine bay dress-up parts for trucks, SUVs, muscle cars, boosted builds, high-horsepower street cars, and performance vehicles that need better reliability, cooling, airflow, oil control, and under-hood styling. The collection is particularly strong for Dodge Challenger, Charger, Durango, Jeep Grand Cherokee Trackhawk, and Ram TRX platforms running 6.2L Hellcat, 6.4L HEMI, and 5.7L HEMI engines, where oil catch can and cooling upgrades address known OEM weaknesses in the PCV and thermal management systems. Import performance platforms including GM LS-based builds, Chevrolet Camaro, and Corvette applications are also represented through Mishimoto, CSF, and ZPE GripTec product lines. Builders who invest in engine bay organization and reliab...

A properly designed fuel delivery system is the backbone of any high-performance engine build, ensuring the injectors or carburetor receive a consistent supply of fuel at the correct pressure regardless of engine load, RPM, or fuel demand. From factory replacement pumps keeping daily drivers on the road to high-flow in-tank modules supporting 1000-horsepower builds, the right fuel delivery components prevent lean conditions, injector damage, and fuel starvation at the worst possible moment. Modern EFI systems are particularly sensitive to fuel pressure variation, with even small drops causing misfires and power loss under hard acceleration. Whether you are restoring a factory system or engineering a purpose-built race setup, matching pump flow rate and fuel pressure regulation to your injector and engine requirements is essential. Popular Upgrades Top-selling fuel delivery components include Aeromotive Phantom in-tank fuel pump kits that retrofit into factory tanks without custom fa...

Fuel rails are the high-pressure manifolds that distribute fuel from the supply line to each injector on the engine, and upgrading from factory rails is one of the most impactful fuel system improvements for high-output EFI builds. Factory plastic or cast aluminum rails are designed to adequate specifications for stock fuel demand but often lack the integrated AN fittings, pressure sensor ports, and internal volume needed for modified engines running elevated fuel pressure or higher-flow injectors. Billet aluminum fuel rails machined from 6061 aluminum provide the rigidity and smooth bore finish that maintains consistent pressure distribution across all injector feeds, preventing the pressure standing waves that cause cylinder-to-cylinder fueling variation at high RPM. Whether you are building a show engine with a clean plumbing aesthetic or a race engine demanding maximum fuel flow reliability, the right fuel rails are the backbone of a well-designed EFI system. Popular Upgrades To...