DeatschWerks 90-05 Mazda Miata 440cc Injectors - Set of 4

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...

Fuel injector connectors are the electrical interface between the engine wiring harness and each individual fuel injector solenoid, carrying the precision pulse-width-modulated signal from the ECU that controls injection timing and duration. Connector failure, corrosion, or poor terminal contact causes intermittent misfires, rough idle, and lean conditions that are frustratingly difficult to diagnose without testing each injector circuit individually. Replacing damaged or corroded injector connectors with new pigtail harnesses using factory-grade terminals restores clean electrical contact and eliminates ghost faults that confound standard scan tool diagnostics. Builders doing engine swaps or injector upgrades also rely on connector pigtails to adapt factory harnesses to new injector styles without permanently altering the original wiring. Popular Upgrades Top-selling injector connectors include Delphi and Bosch OEM-spec EV6 connector pigtails for late-model GM, Ford, and Chrysler E...

A matched set of fuel injectors ensures balanced fuel delivery across every cylinder in 4-cylinder engine applications, preventing the cylinder-to-cylinder variation that causes rough idle, uneven power distribution, and difficulty achieving correct air-fuel ratios across the entire rev range. Factory injectors lose flow capacity and spray pattern quality over time due to deposits, coking near the injector tip, and solenoid wear, making a complete set replacement more reliable than swapping a single injector after a misfire diagnosis. Flow-matched injector sets are especially important on high-performance builds where uneven fueling translates directly into inconsistent combustion and wasted tuning effort. Whether replacing worn OEM injectors or stepping up to a higher flow rate for a forced induction build, buying a matched set is the correct approach for consistent results. Popular Upgrades Top-selling 4-Cylinder injector sets include Bosch EV14 matched sets for turbocharged appli...

Fuel injectors are the precision metering devices at the heart of every modern electronic fuel injection system, responsible for atomizing fuel into a fine mist at exactly the right moment, duration, and spray angle for complete combustion. As injectors age, internal deposits and solenoid wear cause flow rate deviation, tip coking, and spray pattern degradation that result in rich or lean cylinder conditions, rough idle, elevated emissions, and reduced fuel economy. Selecting the correct replacement or performance injector requires matching the flow rate, impedance, connector type, and spray angle to your specific engine and fuel system configuration. From factory-replacement units restoring a daily driver to high-impedance Injector Dynamics sets supporting four-figure horsepower builds, this collection covers the full range of fuel injector needs. Popular Upgrades Top-selling fuel injectors include Bosch OEM-replacement and remanufactured injectors for high-volume domestic and impo...