Fuelab Regulator (This is the regulator used in the OBS fuel systems)
Fuelab Regulator (This is the regulator used in the OBS fuel systems) is backordered and will ship as soon as it is back in stock.
Confirm vehicle fitment
Confirm vehicle fitment
Confirm fitment before ordering. Match the year, make, model, trim, engine, drivetrain and selected options shown on this page. If any detail is unclear, search your exact vehicle or contact us before checkout.
Shipping expectations
Shipping expectations
Availability and processing time can vary by manufacturer. Available shipping choices and charges appear at checkout. Tracking is emailed after shipment. Oversized, special-order and supplier-shipped items can require additional processing time.
Returns and cancellations
Returns and cancellations
Please review eligibility before purchase. Installed, used, electronic, custom, special-order and clearance items may have return restrictions. Contact us promptly if you need to change or cancel an order.
What’s included
What’s included
The product description and selected variant determine what is included. Items shown in lifestyle or installation photos are not included unless they are specifically listed in the description.
Fuelab Regulator (This is the regulator used in the OBS fuel systems)
Fuelab Regulator (This is the regulator used in the OBS fuel systems) is backordered and will ship as soon as it is back in stock.
Buy with confidence
Verify fitment, selected options, availability and included components before checkout. Secure payment options and order confirmation are provided at checkout.
Description
Description
Fuelab 515 Series Fuel Pressure Regulator – Black, -6AN (EFI 25–90 PSI)
The Fuelab 515 Series Regulator is built for precision, reliability, and multi-fuel performance. Designed with dual -6AN inlet ports, a -6AN return port, and a standard seat, this regulator is perfect for EFI applications requiring 25–90 PSI. Compact, durable, and fully adjustable, it’s the same regulator we trust in all of our in-house fuel systems.
🔥 Key Features:
-
-6AN Ports – Two inlet ports and one return port for flexible plumbing setups
-
EFI Compatible – Pressure range: 25–90 PSI (standard seat, EFI spring)
-
Multi-Fuel Ready – Compatible with gasoline, diesel, methanol, and ethanol
-
Billet Aluminum Construction – MIL-A-8625 Type II anodized finish for durability
-
Precision Adjustment – Fine thread pitch for accurate pressure control
-
Mount Anywhere – Includes versatile bracket and stainless hardware
-
Gauge & Reference Ports – 1/8” NPT gauge port (plug included) and pressure reference port with barbed fitting
⚠️ Important Note: Fuelab does not accept returns. All sales are final.
✅ Proven Performance:
This is the same regulator we run in all of our complete fuel systems — built to handle the demands of high-performance street, race, and diesel applications.
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Product features
Use this section to highlight specific product features to your customers.
Product comparison grid
Add content here to explain a bit about the range of products on offer and which ones may be most suitable for your customers.
