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Fuelab 51505-2-L-L Series Adjustable Fuel Pressure Regulator - 515

Manufacturer

Picture for manufacturer Fuelab

Part Number

51505-2-L-L
8 reviews
Sale Price

$210.26

Estimated ship date Monday, November 23

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Fitment guaranteed

Fitment guaranteed

Product Details

The Fuelab 51505-2-L-L is a 515 Series adjustable fuel pressure regulator engineered for high-performance carbureted and fuel-injected applications. This CARB-compliant regulator features a large seat design and accepts both port-style and non-port-style union fittings without interference, providing exceptional versatility for custom fuel system configurations.

Key Features:

  • Dual -6AN inlet ports with one -6AN return port located on the bottom
  • Large seat configuration for high-flow applications
  • Adjustable pressure range suitable for carbureted systems as low as 1 PSID up to fuel-injected applications at 125 PSID
  • Compatible with gasoline, diesel, methanol, and ethanol fuels
  • Precision-machined billet aluminum construction with Type II anodizing per MIL-A-8625 military specification
  • Fine-pitch adjustment threads for precise pressure tuning
  • 1/8 NPT gauge port with plug for external fuel pressure gauge installation
  • 1/8 NPT pressure reference port with barbed fitting for vacuum/boost signal
  • Versatile mounting bracket with stainless steel hardware included
  • CARB-approved for emissions compliance
  • Backed by Fuelab's 2-year limited warranty

This regulator combines race-proven reliability with the flexibility to support a wide range of fuel system configurations, making it ideal for street performance, racing, and custom builds requiring precise fuel pressure control.

Products specifications

Range

1-3 psi

Size

(2) -10AN Inlets, (1) -6AN Return

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

Fast shipping, good customer service!

Lowest price, fast shipping. Thanks!

Was a little hesitant to order from autoplicity at first but after numerous orders now, this and rockauto are my two go to places for parts. Best prices and fast shipping!!!

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.

Good product at the right price. Didn't have the same vehicle fitment as the manufacturer did.

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

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