Skip to product information
1 of 1

AEM - Honda/Acura Adjustable Fuel Pressure Regulator (300)

AEM - Honda/Acura Adjustable Fuel Pressure Regulator (300)

SKU: 25-300BK

Category: Regulators

Availability: In Stock
Regular price $139.79
Regular price $156.00 Sale price $139.79
Sale Sold out
You save 10% ($16.21)
Shipping calculated at checkout.
No reviews
AEM's Honda/Acura Adjustable Fuel Pressure Regulators are capable of supporting enough fuel flow for engines up to 1000 horsepower. AEM's patented interchangeable discharge ports enable the regulator's output to match the output of any fuel pump. AEM includes a custom barb fitting to accommodate the factory fuel hose and the base of each regulator is tapped to accept a -6 AN or 9/16-inch x 18 fittings. Applications: 1994-2001 Acura Integra GSR 1.8L 1990-1993 Honda Accord DX, LX, SE, EX 2.2L 4 Cylinder 1992-1995 Honda Civic DX, LX 1.5L 1992-1995 Honda Civic EX, Si 1.6L VTEC 1999-2000 Honda Civic Si 1.6L VTEC 1992-1995 Honda del Sol Si 1.6L SOHC VTEC 1994-1997 Honda del Sol VTEC 1.6L DOHC VTEC 1992-1995 Honda del Sol S 1.5L 1992-1996 Honda Prelude F22 1988-1991 Honda Prelude Si 2.1L   Specifications: Mounting Bracket Included: Yes Fittings Included: No Boost/Vacuum Reference Port: Yes Boost/Vacuum Rise Ratio: 1:01 Gauge Port: No Inlet Attachment: Female Threads Outlet Attachment: Stock Pressure Range (psi): 20-60 Quantity: Sold individually Rebuildable: Yes  Regulator Finish: Black anodized Regulator Location: Fuel rail mount Regulator Material: Aluminum Regulator Style: Return Return Attachment: Stock Outlet Quantity: One Inlet Size: -6 AN Outlet Size: Stock Inlet Quantity: One Manufacturer's Part Number: 25-300BK


We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations. For international orders, please Contact Us. If you select US shipping rates and are shipping internationally, please be advised you will be contacted to compensate the difference in shipping fees.

Processing will take about 2 to 3 days before your product ships. If an item is not in stock, you will have an update as to when your item will ship within 24 hours. If you have any questions about shipping make sure to email us at or call our reps today at 732-638-5268.

If by any chance, your package that has been delivered by the carrier is lost/stolen, YOU (THE BUYER) are responsible for working with the carrier and us, Tri-State Motorsports to recover your package. You must contact us and the shipping company within 48 hours of delivery for lost/damage claims. You are covered by the basic insurance amount APPROVED by the shipping center. We DO NOT refund or reship product for claims that are denied by the shipping company.


When will my product ship out?

Due to the impact of COVID-19 and the high volume of orders, some orders may take longer than usual to process and ship. Processing takes about 2 to 3 days before your order ships. If you order an item that’s on backorder, you will automatically be refunded for that item.

Refunds are subject to a 20% restocking fee. Cancellations are subject to 10% cancellation/processing fee under no exceptions. If you have any questions about shipping make sure to email us at or call our reps today at 1 (844) 442-8118.

What's the Warranty on our products?

Unless the product is manufactured by Tri-State Motorsports or TSM Race, ALL Warranties go through the Manufacturer directly. Please visit their official website and get in contact with them in regards to your warranty. We will supply you with any invoice or tracking information the manufacturer asks you for.

How can I finance my purchase with Affirm?

Affirm Loan-Application Process Steps:

1. At checkout, choose Pay with Affirm

2. Affirm prompts you to enter a few pieces of information: Name, email, mobile phone number, date of birth, and the last four digits of your social security number. This information must be consistent and your own!

3. To ensure that you're the person making the purchase, Affirm sends a text message to your cell phone with a unique authorization code.

4. Enter the authorization code into the application form. Within a few seconds, Affirm notifies you of the loan amount you're approved for, the interest rate, and the number of months you have to pay off your loan. You have the option to pay off your loan over three, six, or twelve months. Affirm states the amount of your fixed, monthly payments and the total amount of interest you'll pay over the course of the loan.

5. To accept Affirm's financing offer, click Confirm Loan and you're done.

How can I finance my purchase with Klarna?

Check out our info page on Klarna here.

View full details