


Aeromotive Pro-Series EFI Boost Reference Regulator
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Aeromotive Pro-Series EFI Boost Reference RegulatorThe tuner? s choice for high horsepower EFI applications. The Pro Series Regulator can support up to 2000 HP. For engines requiring high volume, high pressure fuel delivery, the Pro Series Boost Reference EFI Regulator is a perfect fit for serious power. Adjustable base pressure from 30 75 PSI with the spring installed. Adjustable base pressure from 75 125 PSI with the optional spring included. Ideal for Pro Series, Brushless 3. 5 and Brushless 5. 0
Quick Dispatch:
Your Aeromotive Pro-Series EFI Boost Reference Regulator orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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4.0 ★★★★★
Based on 2230 reviews
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Product Reviews
★★★★★ 5
Great fit
Color: Cream, Size: X-Large
Great fit and feel- my son loved it
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 6, 2026
★★★★★ 5
High quality
Wow what a pullover. If I could give 10 stars I would go off of your chest size. Perfect fit and super high quality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 15, 2026
★★★★★ 5
LOVE IT
Color: Light Blue, Size: X-Large
LOVE IT!!!! Coming for more!!!!
Perfect fit, perfect size, i simply love it
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Reviewed in the United States on March 31, 2026
★★★★★ 5
Love it
Color: Red, Size: Large
Excellent shirt
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
★★★★★ 3
Item received not as pictured - beware
Item not as described. The navy version I ordered showed a colored zipper and a print pattern inside the collar in the description but the one I received is solid navy in color. Not what I wanted or ordered. It fit fine and I liked the weight of the material as it is a little heavier than another Maelreg shirt I ordered which had the same description. Be careful when ordering as the color and weight of the material is certainly not accurate.
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Reviewed in the United States on March 25, 2026
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