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Fuelab 51504-2 Series Adjustable Fuel Pressure Regulator - 515

Manufacturer

Picture for manufacturer Fuelab

Part Number

51504-2
7 reviews
Sale Price

$210.26

Estimated ship date Monday, November 23

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Product Details

The Fuelab 51504-2 is a high-performance adjustable fuel pressure regulator from the 515 Series, engineered for versatility across both carbureted and fuel-injected applications. This precision regulator features a flexible port design that accepts both port-style and non-port-style union fittings without interference, making it adaptable to a wide range of fuel system configurations. CARB compliant for emissions standards.

Key Features:

  • Dual -6AN inlet ports and single -6AN bottom-mounted return port for flexible plumbing options
  • Adjustable pressure range supporting carbureted applications as low as 1 PSID up to fuel-injected systems at 125 PSID
  • Compatible with gasoline, diesel, methanol, and ethanol fuels
  • Precision-machined billet aluminum construction with military-spec MIL-A-8625 Type II anodizing for corrosion resistance
  • Fine-pitch adjustment threads enable precise pressure tuning
  • 1/8 NPT gauge port with plug for external pressure monitoring
  • 1/8 NPT pressure reference port with barbed fitting for vacuum/boost reference
  • Includes versatile mounting bracket with stainless steel hardware
  • Backed by Fuelab's 2-year limited warranty

Ideal for performance street vehicles, racing applications, and custom fuel system builds requiring accurate and reliable pressure control.

Products specifications

Range

4-12 psi

Size

(2) -6AN Inlets, (1) -6AN Return

The floor mats I purchased for my car work like a dream. They were just as described in the listing. The shipping was also pretty quick. I just wish the price was about $20 cheaper. Other than that I was completely satisfied.

OK so far.

Best price for the item I needed. Very fast shipping and there consumer service was great on the phone.

Lowest price, fast shipping. Thanks!

Autoplicity agent was very helpful over the phone. He answered all my questions & even did some research to make me feel comfortable I was getting the appropriate parts I needed for my car. I was very pleased & will shop Autoplicity again.

Everything went smoothly, love the prices and the ease of transaction, hope to buy from you real soon, Nice people.

Best price on the net! Haven't got my order yet, it just shipped so we will see from there.

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