Add Higher Capacity Fuel Injectors

Add Higher Capacity Fuel Injectors

Stop leaving horsepower on the table. When your stock injectors cannot keep up with your build, upgrading to higher capacity fuel injectors is one of the most direct paths to unlocking your engine's full potential safely and reliably.

Why Upgrade Your Fuel Injectors?

Feed Your Power Goals

Higher flow rates, measured in cc/min or lb/hr, mean your engine gets the fuel it needs to support increased horsepower without running lean. This is a critical safeguard under boost, on forced-induction builds, or with aggressive cam timing.

Flow-Matched for Consistency

Performance injector sets are matched and flow-tested to tight tolerances, typically ±2–3%, so every cylinder receives a uniform fuel charge. The result is smoother idle quality, more even power delivery, and less stress on your tuning.

Broad Fuel Compatibility

Many high-capacity injector options are engineered to handle pump gas, E85, and race fuel blends, giving you the flexibility to push your build further without swapping components.

Connector and Fitment Options

Whether your application calls for EV1, EV6, or USCAR connectors, there are configurations to suit a wide range of vehicles, reducing wiring headaches and keeping installation as straightforward as possible.

Complete Kit Contents

Quality injector upgrades typically include o-ring kits, seals, and pintle caps so you have everything needed for a clean, leak-free install.

What to Know Before You Buy

• Impedance matters: High-impedance, saturated injectors are direct drop-ins for most factory ECUs; low-impedance, peak and hold units may require a resistor box or compatible driver.
• Tuning is strongly recommended: A fuel injector upgrade of this nature should be paired with a proper ECU tune to ensure correct fuel trims, injector scaling, and safe air/fuel ratios across the entire RPM range.
• Fuel system support: Confirm your fuel pump and lines can support the increased flow demand your new injectors will require.

Contact Tracy Lewis Performance with your vehicle details, current power level, and horsepower target. We'll help you select the right high-capacity fuel injectors to match your build and get more out of every drop of fuel.

FAQ

Why should I add higher capacity fuel injectors?

Higher capacity fuel injectors provide the fuel flow needed to support increased horsepower without running lean, especially under boost, on forced-induction builds, or with aggressive cam timing.

Do higher capacity fuel injectors need tuning?

Yes. A proper ECU tune is strongly recommended to ensure correct fuel trims, injector scaling, and safe air/fuel ratios across the entire RPM range.

What should I check before buying fuel injectors?

Check injector impedance, connector type, vehicle fitment, and whether your fuel pump and lines can support the increased flow demand.

What fuels can high-capacity injectors support?

Many high-capacity injector options are engineered to handle pump gas, E85, and race fuel blends, depending on the application.