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Magnafuel All Black Pro Tuner 750 MP-4303-BLK In-Line

Racing Use Only, Not Legal for Road Use

7 items left

Magnafuel 4303 ProTuner Series 750 All Black MP-4303-BLK

Once-piece design is more

compact and light weight.

•Ideal for street muscle cars

•Quiet operation

•Self priming

•Continuous duty

•No pump shaft seals, no leaks

•Pump body CNC machined aircraft aluminum

•High-torque custom motor with very low current draw.

•Never requires stepdown

•More efficient than other motors

•Double support bearings

•Re-buildable to as-new condition

•Compact design fits in smaller spaces

•Smaller than competitive pumps, lower current draw, more powerful

•Hard anodized, long lasting finish

•Mounting bracket included

•Vertical or horizontal mount

•Polymer wear plates for smooth, quieter operation

Port Sizes:

Inlet: -8 ORB Oring

Outlet: -8 ORB Oring

Note: We recommend a 12AN Inlet Hose and 10AN Outlet hose to maximize the power capabilities of this pump. 

Please also note a Magnafuel Dual Relay MP-1050 relay needs to be used for durability and maximum power potential.  Click this link:


12v System

EFI/E85/Blower @75PSI: Up to 1100HP

EFI/E85/Turbo @75PSI: Up to 1300HP

EFI/Gas/Blower @75PSI: Up to 1300HP

EFI/Gas/Turbo @75PSI: Up to 1500HP

Alcohol not recommended

***Add 200-250 HP with 16v System

MUST WATCH when installing a Magnafuel 4303, our Youtube video will make sure you get the durability, life, and most importantly MAXIMUM PERFORMANCE from your Magnafuel 4303!  

Learn how to make ANY fuel pump quieter with 3 simple tips and tricks!