- 800-381-2065
- [email protected]
- 9675 Southwest Freeway, Houston, TX 77074
- Monday – Friday: 8 AM – 4 PM (Central)
Current Turnaround Times
Standard Service – 3-4 Business Days
Expedited Service – 1 Business Day
Last Updated 11/8/25 at 12:55pm
Standard Service – 3-4 Business Days
Expedited Service – 1 Business Day
Last Updated 11/8/25 at 12:55pm
Take the guesswork out of injector selection with our easy-to-use calculators, designed to help you choose the correct fuel injectors for your engine build or tuning project. Whether you’re upgrading for more horsepower, converting to forced induction, or just need to verify flow rates, our tools offer precise estimates based on real-world data and formulas trusted by professionals.
Find the ideal injector size (in cc/min or lb/hr) based on your engine’s horsepower goals.
Enter your engine’s horsepower target, fuel type, number of cylinders, and desired duty cycle to get an accurate injector size recommendation for optimal fuel delivery and performance.
Find the ideal injector size (in cc/min or lb/hr) based on your engine’s horsepower goals.
Enter your engine’s horsepower target, fuel type, number of cylinders, and desired duty cycle to get an accurate injector size recommendation for optimal fuel delivery and performance.
Determine how a change in fuel pressure affects your injector’s flow rate.
This is especially useful for tuners and engine builders who want to maintain proper air/fuel ratios after altering fuel pressure. Enter the injector’s rated flow, original pressure, and your new pressure setting to calculate the adjusted injector flow rate.
This tool helps you translate manufacturer specs or compare injector ratings using different units—perfect for compatibility checks or cross-referencing data.
InjectorRx restores engine performance with professional fuel injector cleaning, flow testing, and rebuilding services. We clean, test, and balance injectors for cars, motorcycles, and marine engines.
Enjoy improved power, fuel efficiency, and fast turnaround with expert service.