EFI Regulators

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Kits
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ProStar 4 EFI
MP-9940-B

ProStar EFI
MP-9950-B

QuickStar EFI
MP-9925

ProStar and QuickStar Series EFI Regulators
ProStar: Engine Hp: up to 2,000+¹, QuickStar: up to 700¹
Guided-metering valve provides precise control, requires less maintenance.

Unique guided-metering valve assembly provides accurate metering of fuel flow
Magnafuel EFI Regulators provide the most stable platform for fuel delivery in the performance industry
Maintains steady fuel fuel flow during times of sudden changes in fuel demands, such as initial launch, gear change and nitrous oxide application
Designed for use with the MagnaFuel EFI gear pumps
Regulators available in two different body sizes and different spring combinations to suit your fuel flow at pressure specifications
Each Regulator has 1/8" NPT gauge port, standard filtered vent fitting or boost reference fitting (1:1 compensation ratio)
Special fittings and adapters available for most applications
All MagnaFuel Regulators are hand assembled to the highest quality
MagnaFuel REgulators are compatible with racing gasoline and alcohol fuels
Billet body precision CNC-machined from aircraft-quality aliminum and hard anodized for extra long service life
Completely user-serviceable, with ready to order replacements parts.

Filter fitting

Mounting bracket

Model No.

Description

Horsepower

Pressure

Ports²

MP-9940

Four-port EFI Regulator

2,000

35-85 psi

4 X #8 AN, 1 X #8 AN return

MP-9940-B

Four-port EFI Regulator w/ 1:1 Boost Reference

2,000

35-85 psi

4 X #8 AN, 1 X #8 AN return

MP-9950

Large Two-port EFI Regulator

2,000

35-85 psi

2 X #8 AN, 1 X #8 AN return

MP-9950-B

Large Two-port EFI Regulator w/ 1:1 Boost Reference

2,000

35-85 psi

2 X #8 AN, 1 X #8 AN return

MP-9950-C

Large Two-port EFI Bypassing Regulator

2,000

18-50 psi

2 X #8 AN, 1 X #8 AN return

Mp-9925

Two-port EFI Regulator

700

35-85 psi

2 X #8 AN, 1 X #6 AN return

Mp-9925-B

Two-port EFI Regulator w/ 1:1 Boost Reference

700

35-85 psi

2 X #8 AN, 1 X #6 AN return

Mp-9925-C

Two-port EFI Bypassing Regulator

700

18-50 psi

2 X #8 AN, 1 X #6 AN return

¹ Power ratings are for naturally aspirated engines running gasoline. ²Fittings not included. Some products legal for racing only; never to be used on public roads or emission-controlled vehicles.

Sales: 800-321-7761 — Support: 719-532-1897