1. Used Automotive Fuel Pumps & Sending Units Offers
  2. sku: 11629370460679761
  3. MAGNAFUEL RACING SYSTEMS MP-4303-BLK

MAGNAFUEL RACING SYSTEMS MP-4303-BLK Fuel Protuner Line 819315004760 In

fits model: 750.

Mp-4303-blk Magnafuel Racing Fuel Systems Mp 4303 Blk Protuner 750 In Line

( Brand: Magnafuel Racing Systems ), ( Type: Default ), ( Manufacturer Part Number: MP-4303-BLK ), ( UPC: 819315004760 )

Review MAGNAFUEL RACING SYSTEMS Fuel Mp 4303 Blk Protuner In Line fits 750

Introducing the MagnaFuel MP-4303-BLK 4303 ProTuner 750 Line Racing Fuel, a high-performance fuel solution designed for race applications. This fuel system offers precision tuning capabilities, ensuring optimal engine performance under various racing conditions.

The MagnaFuel 4303 ProTuner 750 Line Racing Fuel System is a pressurized, returnless system that delivers fuel directly to the engine via a 750 psi max pressure rating. The system is compatible with both EFI and carbureted engines and can be used with a wide range of fuel types, including methanol, ethanol, and gasoline.

The ProTuner 750 Line System comes with a 4303 ProTuner fuel pressure regulator, which offers adjustable pressure settings from 0-750 psi. The regulator features a brass body and stainless steel components, ensuring durability and resistance to corrosion. The ProTuner also includes a built-in bypass valve for easy maintenance and fuel system diagnostics.

The 750 line fuel system includes a MagnaFuel -12 AN fuel filter and a MagnaFuel -10 AN fuel pump, both of which are designed for high-performance applications. The fuel filter is made of spun-bonded polyester media and features a brass body and stainless steel components, providing excellent filtration and durability. The fuel pump is a high-flow, magnetic drive design, capable of delivering up to 125 gph at 3 psi.

The MagnaFuel MP-4303-BLK 4303 ProTuner 750 Line Racing Fuel System is engineered for easy installation, with all necessary hardware included. The system also comes with a 5-year limited warranty, ensuring peace of mind for racers and performance enthusiasts.

Whether you're competing in professional racing series or simply looking to maximize the performance of your high-performance engine, the MagnaFuel MP-4303-BLK 4303 ProTuner 750 Line Racing Fuel System is the perfect choice. With its adjustable pressure settings, compatibility with various fuel types, and high-quality components, this fuel system delivers the power and precision you need to take your racing to the next level.

The MagnaFuel MP-4303-BLK 4303 ProTuner 750 line is a racing fuel designed for high-performance applications. Here are some pros and cons to help you make an informed decision about purchasing this fuel:

Pros:

1. High-Performance Fuel: This fuel is specifically formulated for high-performance applications and is designed to provide superior octane and combustion efficiency compared to regular gasoline.

2. Improved Engine Performance: By using a high-performance racing fuel like the MagnaFuel MP-4303, you can potentially improve your engine's performance, resulting in increased horsepower and torque.

3. Better Fuel Economy: While it may seem counterintuitive, using a high-performance racing fuel can actually lead to better fuel economy in some cases, as the fuel is burned more efficiently.

4. Reduced Engine Wear: The higher octane rating of this fuel can help reduce engine wear and tear, as it allows for a more complete combustion process and reduces the likelihood of detonation.

5. Customizable: The MagnaFuel ProTuner 750 line comes with a fuel management system that allows for custom tuning, enabling you to optimize the fuel delivery and ignition timing for your specific engine and driving conditions.

Cons:

1. Cost: High-performance racing fuel like the MagnaFuel MP-4303 is typically more expensive than regular gasoline.

2. Availability: Racing fuel may not be as widely available as regular gasoline, especially in rural areas or during off-hours.

3. Storage: Racing fuel requires specialized storage containers that are designed to keep the fuel cool and prevent contamination.

4. Handling: Racing fuel is more volatile than regular gasoline and requires extra precautions when handling, including the use of safety equipment and proper ventilation.

Conclusion:

The MagnaFuel MP-4303-BLK 4303 ProTuner 750 line is a high-performance racing fuel that offers several advantages, including improved engine performance, better fuel economy, reduced engine wear, and customizable fuel delivery and ignition timing. However, it also comes with some disadvantages, such as cost, availability, storage requirements, and handling precautions. Ultimately, whether or not this fuel is right for you depends on your specific needs and budget. If you're looking for maximum engine performance and are willing to invest in the fuel and related equipment, then the MagnaFuel MP-4303 may be a good choice for you. However, if you're on a tight budget or prefer the convenience of regular gasoline, then it may be better to stick with what you're used to.

Details:

MagnaFuel MP-4303-BLK ProTuner 750 In-Line Fuel Pump 2000 HP 14 Amps At 45 PSI B,:: - Electric 20-120 psi 8 AN Female O-Ring Inlet / Outlet E85 Gas Aluminum Black Anodized Each. For kits, photo might show entire kit and listing is only for one component. Note: Photos do not always represent the actual product.

part #: mp4303 prices

  • $529.99-$638.76

specifications pumpunite:

  • for models: 750
  • brand: Magnafuel Racing Systems
  • type: Default
  • manufacturer part number: MP-4303-BLK
  • upc: 819315004760

returns pumpunite:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Seller

payments pumpunite:

  • wallet: Apple-pay
  • other
  • credit card: Discover

seller pumpunite:

  • rating: 98.8%
  • # reviews: 82737
  • city: USA

offer pumpunite:

  • options: Ship-to-home
  • sold: 0
  • started: December 3, 2025
  • quantity: 2
  • availability: In Stock

general pumpunite:

  • Car Truck Parts Accessories > Air Fuel Delivery > Fuel Pumps Sending Units
  • condition: New

shipping pumpunite:

  • service: Standard
  • type: Fixed
  • class: Standard
  • cost: $0.00
  • transit: 3-7 Days
for models: 750, type: default,
category: auto parts > car truck parts accessories > air fuel delivery > fuel pumps sending units, sku: 11629370460679761,

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