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Fuelab 51506-4-S-T Series Adjustable Fuel Pressure Regulator TBI - 515

Manufacturer

Picture for manufacturer Fuelab

Part Number

51506-4-S-T
6 reviews
Sale Price

$210.26

Estimated ship date Monday, November 23

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Product Details

The Fuelab 51506-4-S-T is a 515 Series adjustable fuel pressure regulator designed specifically for throttle body injection (TBI) applications. Engineered with performance and flexibility at its core, this regulator accepts both port-style and non-port-style union fittings without interference, making installation straightforward across various fuel system configurations.

Key Features:

  • Dual -6AN inlet ports and single -6AN return port (bottom-mounted) for flexible plumbing options
  • Adjustable pressure range suitable for TBI applications from 1 PSID to 125 PSID
  • Fine thread pitch adjustment mechanism for precise fuel pressure tuning
  • Universal fuel compatibility: gasoline, diesel, methanol, and ethanol
  • 1/8 NPT gauge port with plug for external pressure gauge monitoring
  • 1/8 NPT pressure reference port with barbed fitting included
  • Precision-machined billet aluminum construction with Type II anodizing per MIL-A-8625 specification
  • Versatile mounting bracket included with stainless steel hardware

Built to demanding military specifications for durability and corrosion resistance, the 515 Series regulator delivers consistent fuel pressure control for optimized engine performance. Backed by Fuelab's 2-year limited warranty, this regulator is ideal for street performance, racing, and custom TBI fuel system builds.

Products specifications

Range

10-25 psi

Size

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

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

Great prices!!

Fast shipping, good customer service!

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.

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