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Description
Fuelab 535 EFI Adjustable Mini FPR 25-90 PSI (2) -6AN In (1) -6AN Return (3) -6AN ORB w/Gauge KitExperience precise fuel pressure control with the Fuelab 535 EFI Adjustable Mini Fuel Pressure Regulator (FPR). Designed for high performance EFI systems, this compact regulator covers a wide adjustment range from 25 to 90 PSI, ensuring your engine receives consistent fuel delivery for optimal performance. The unit features multiple 6AN fittings: two inlet ports and one return port, complemented by three 6AN ORB ports. It's supplied as a kit that
Experience precise fuel pressure control with the Fuelab 535 EFI Adjustable Mini Fuel Pressure Regulator (FPR). Designed for high-performance EFI systems, this compact regulator covers a wide adjustment range from 25 to 90 PSI, ensuring your engine receives consistent fuel delivery for optimal performance.The unit features multiple -6AN fittings: two inlet ports and one return port, complemented by three -6AN ORB ports. It's supplied as a kit that includes a high-quality pressure gauge, allowing you to monitor fuel pressure easily and make fine adjustments as needed. The regulator's compact form makes it perfect for tight engine bays and custom installations.
Built by Fuelab, a trusted name in fuel delivery solutions, this mini FPR combines durability, accuracy, and ease of use. Whether you're tuning a street machine, a race car, or a custom hot rod, this fuel pressure regulator will help you maintain consistent fuel flow and engine reliability under demanding conditions.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 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
4.2 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 4
Does not come with a pump.
Size: 32 oz, Style: 32 Fl Oz, Pattern Name: Lube
The Good: Changing the fluid in the lower unit is a very easy DIY job. This can save you hundreds of dollars each year by doing it yourself.
The Bad: You need a special pump to change the oil, and sometimes it comes with the gear lube. Unfortunately this product did not come with it. Luckily my neighbor had an extra one from changing the lube a different boat laying around and was able to use that.
The Ugly: If you have to go get the pump, that could cost a few extra dollar but is just an extra nuisance. The pumps are interchangable but you just need to clean it between uses (DON'T MIX DIFFERENT OIL BRANDS)
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Reviewed in the United States on October 28, 2025
★★★★★ 5
Works fine in outdrive
Size: 32 oz, Style: 32 Fl Oz, Pattern Name: Lube
Good gear oil. Purple dye for leak detection
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Reviewed in the United States on April 2, 2026
★★★★★ 5
Good Quality
Size: 32 oz, Style: 32 Fl Oz, Pattern Name: Lube
Always the best quality.
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Reviewed in the United States on March 25, 2026
★★★★★ 5
Well made materials.
Arrived on time and well packaged. Good quality materials and exact fit. Perfect fit, Easy to install. Make sure to review installation instruction. Don't put the gaskets in the wrong place. Will buy again from this vender.
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Reviewed in the United States on September 17, 2025
★★★★★ 5
Good for the $$$
Worked great on my Mercruiser Alpha One Gen 2. Once the bottom unit of the outdrive is off and cleaned it only takes a few minutes to install impeller, seals and housing. A very affordable alternative to taking it to the shop.
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Reviewed in the United States on September 22, 2025