BLOX Racing Fuel Management Unit Type-A 12:1 Ratio
Optimize fuel delivery on your forced induction vehicle with the BLOX Racing Fuel Management Unit (FMU) Type-A 12:1 Ratio. Designed for fuel injected, turbocharged or supercharged applications using the OEM ECU, this FMU increases fuel pressure proportionally as boost rises in the intake manifold, ensuring proper fueling for maximum power and reliability. The fixed 12:1 ratio provides aggressive fuel enrichment ideal for higher boost levels and performance builds.
Key Features
- 12:1 Ratio – Aggressive fuel pressure increase under boost
- Type-A Design – Compact and reliable for forced induction setups
- Easy Integration – Works with the factory electronic engine management system
- High-Quality Construction – Durable materials for long-term performance
- Recalibration Available – Optional kits sold separately for fine-tuning
Specifications
| Detail | Value |
|---|---|
| Brand | BLOX Racing |
| Type | Fuel Management Unit Type-A |
| Ratio | 12:1 |
| Application | Forced Induction Fuel Injected Vehicles |
| Country of Origin | United States |
| Warranty | BLOX Racing Limited Warranty |
Whats Included
- BLOX Racing FMU Type-A 12:1
- Mounting Hardware
Product Notes
- Designed for turbocharged or supercharged applications requiring additional fuel
- Professional installation and fuel system tuning recommended
- Recalibration kits available separately for custom tuning
This Part Fits
| Application | Notes |
|---|---|
| Forced Induction Vehicles | Universal for many turbo/supercharged setups (verify fuel system compatibility) |
Why Choose BLOX Racing?
- Premium manufacturer of high-performance Honda and import parts
- FMUs provide reliable fuel enrichment for boosted applications
- Precision-engineered components trusted by builders and enthusiasts
- Focus on quality, performance, and real-world drivability
Frequently Asked Questions
- Q: What does the 12:1 ratio mean?
- A: It increases fuel pressure by 12 psi for every 1 psi of boost in the intake manifold.
- Q: Is tuning required?
- A: Yes. Proper ECU tuning is essential when installing an FMU to ensure safe and optimal air/fuel ratios.
- Q: Is professional installation recommended?
- A: Yes. Professional installation and dyno tuning are strongly recommended for safety and performance.
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Secure BLOX Racing retail packaging
BLOX Racing
BLOX Racing has built a strong following in the import and sport compact community since 2003 by delivering parts that meet or exceed OEM quality standards at prices that make building accessible. Every BLOX product is designed with ISO 9001-certified manufacturing processes and subjected to rigorous testing before release, ensuring fitment and reliability that matches the performance they advertise. Popular Upgrades BLOX Racing intake manifolds and throttle bodies are popular for Honda, Acura, and other sport compact platforms, delivering improved airflow and throttle response over stock components. Suspension components including adjustable end links, sway bars, and pillow ball mounts allow precise handling tuning for street and autocross use. Engine hardware — cam gears, valve train components, and timing chain kits — rounds out the BLOX catalog for builders pushing beyond stock engine parameters. What platforms does BLOX Racing support? BLOX Racing focuses primarily on Honda, Ac...
View BLOX Racing Products
Engine
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...
View Engine Products
Fuel Delivery
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...
View Fuel Delivery Products
Fuel Pressure Regulators
A fuel pressure regulator maintains consistent rail or bowl pressure regardless of engine demand, fuel pump output variation, or manifold vacuum changes, acting as the pressure control valve that determines how much fuel the injectors or carburetor actually sees at any given moment. In return-style EFI systems, the regulator bleeds excess fuel back to the tank while holding the supply side at a precise setpoint, typically 43.5 PSI for most port EFI applications. In boost-referenced setups, the regulator increases fuel pressure proportionally with boost pressure to maintain a constant fuel-to-air pressure differential as manifold pressure rises, preventing the injector effective flow rate from dropping under boost. Selecting the correct regulator type, pressure range, and port sizing for your system determines how accurately fuel delivery tracks engine demand across the full operating envelope. Popular Upgrades Top-selling fuel pressure regulators include the Aeromotive 13129 adjusta...
View Fuel Pressure Regulators Products


