FuelTech 720 lb/hr Low Impedance Fuel Injector -4AN/-6ORB - 5010108239
Extreme Fuel Flow for High Horsepower Applications
The FuelTech 720 lb/hr Low Impedance Fuel Injector is built for high-output engines that demand serious fuel volume and precision. Delivering 5,449 cc/min at 43.5 psi, this injector is capable of supporting extreme combinations producing 4,000+ horsepower.
Featuring -4AN inlet and -6ORB outlet fittings, this injector allows for simplified fuel system design by reducing the number of injectors, hoses, and connections required. It is an ideal solution for high-performance EFI systems where clean plumbing and maximum efficiency are critical.
Precision Calibrated for Accurate Fuel Delivery
Each injector is individually tested and calibrated to ensure linearity, repeatability, and consistent cylinder-to-cylinder fueling. This precision is essential for maintaining stable air-fuel ratios and reliable performance under high boost and extreme load conditions.
- Individually flow tested for consistent performance
- Improves tuning accuracy and engine reliability
- Maintains stable fueling under high boost and RPM
- Designed for motorsports and high-performance EFI applications
Compatible with All Fuels and ECUs
This injector is fully compatible with any standalone or aftermarket ECU, offering maximum flexibility for custom builds. It supports a wide range of fuels, including gasoline, ethanol, methanol, nitromethane, nitropropane, MTBE, and ETBE.
- Works with any ECU on the market
- Compatible with all major racing and pump fuels
- Reliable performance in high boost and nitro applications
Built for Durability in Harsh Conditions
Constructed with corrosion-resistant internal components and validated through salinization testing, this injector is engineered for long-term durability in aggressive fuel systems and extreme racing environments.
- Corrosion-resistant internal construction
- Proven durability under extreme conditions
- Designed for long-term reliability
Important Installation Requirements
This injector features a low impedance (1.5 Ohms) design and requires a Peak and Hold driver, such as FuelTechs 8A/2A or Peak & Hold PRO Injector Driver, for proper operation.
Features
- 720 lb/hr (5,449 cc/min @ 43.5 psi) high-flow injector
- Low impedance design - 1.5 Ohms
- -4AN inlet and -6ORB outlet fittings
- EV1 connector with silver-plated terminals
- Individually tested and calibrated for accuracy
- Compatible with gasoline, ethanol, methanol, and nitro-based fuels
- Tested and approved in 4,000+ horsepower applications
- Corrosion-resistant internal components
- Compatible with all aftermarket ECUs
- FuelTech warranty and support
Quick Specs
- Brand: FuelTech
- Flow Rate: 720 lb/hr (5,449 cc/min @ 43.5 psi)
- Impedance: Low - 1.5 Ohms
- Voltage Limit: Up to 24V
- Fitting Type: -4AN / -6ORB
- Connector Type: EV1 (silver-plated terminals)
- Injector Dimensions: 86 x 32 mm
- Weight: 160g
- Package Dimensions: 223 x 162 x 60 mm
- Shipping Dimensions: 225 x 250 x 65 mm
- Included: 1 injector, manual
- Warranty: 90 days
- Part Number: 5010108239
FAQs
Do I need a Peak and Hold driver for this injector?
Yes. This injector operates at 1.5 Ohms and requires a Peak and Hold driver such as FuelTechs 8A/2A or PRO Injector Driver.
What advantage do -4AN/-6ORB fittings provide?
This configuration allows for simplified fuel system routing, reducing the number of injectors and connections while maintaining high fuel flow for extreme applications.
Why Buy from Beefcake Racing?
Beefcake Racing is your trusted source for FuelTech injectors, fuel system components, and advanced engine management solutions. We help builders achieve reliable, high-performance results backed by real-world experience.
From street builds to full race applications, our team is here to support your setup with expert guidance and fast, dependable service.
Email: sales@beefcakeracing.com
Phone: 1-855-827-7223
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

