SKU: 392350143

Holley EFI Diecast Filter Regulator -8AN - 12-889

Sale price$174.56 Regular price$193.95
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Ships within 48 hours · Estimated delivery Aug 25 - Aug 30

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Description

Holley EFI Diecast Filter Regulator -8AN - 12-889Overview: When converting your fuel system to a return style EFI setup, the biggest challenge can be plumbing the fuel lines. Holley continues to be the leader in fuel system development to make your life easier! The new Holley EFI Filter Regulator assembly simplifies your installation by combining the fuel filter and regulator in one assembly that can be mounted in the rear of the vehicle. Thus making your return line much shorter. The die cast

Overview:

When converting your fuel system to a return style EFI setup, the biggest challenge can be plumbing the fuel lines. Holley continues to be the leader in fuel system development to make your life easier! The new Holley EFI Filter Regulator assembly simplifies your installation by combining the fuel filter and regulator in one assembly that can be mounted in the rear of the vehicle. Thus making your return line much shorter. The die-cast aluminum assembly contains a 175 GPH 10 Micron filter and a regulator preset at 59.5 psi. The filter regulator comes in 3/8" NPT or -8AN o-ring port sizes to match most EFI fuel systems. Add billet mounting clamps; 12-574 and 12-574S

Features:

  • Designed to help minimize the fuel line plumbing needed when installing an electronic fuel injection conversion
  • More compact design than the common Corvette fuel filter regulator combo

Application:

Year Make Model Submodel Engine Size
Universal

Specs:

Brand Holley EFI
Emission Code 5
Fuel System EFI
Fuel Type Gasoline
GPH 175
Micron 10
Product Type Fuel Pressure Regulator
Thread 8AN
Warranty Limited 90 Day
Shipping Notes
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 392350143

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4.0 ★★★★★
Based on 27 reviews
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GARY JONES
Los Angeles, US
★★★★★ 5
They do what they are supposed to do
Style: for Saros 10R / Saros 20 / Qrevo CurvX
They fit the Saros 10R perfectly and do the job they are intended to do.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 9, 2026
C
Verified Purchase
chris bingham
Omaha, US
★★★★★ 5
great deal on wear parts
Style: for Saros 10R / Saros 20 / Qrevo CurvX
perfect fit for my roborock saros 10r
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 15, 2025
M
Verified Purchase
Mac Wane
Phoenix, US
★★★★★ 5
Works and fits as advertised.
Style: for Saros 10R / Saros 20 / Qrevo CurvX
Arrived and functions as advertised.
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Reviewed in the United States on May 7, 2026
G
Verified Purchase
Gail W.
Dallas, US
★★★★★ 5
Great product
Style: for Saros 10R / Saros 20 / Qrevo CurvX
I just love my Roborock and the accessories
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 7, 2025
T
Verified Purchase
Tracy
Whiting, US
★★★★★ 5
Fits Curv X
Style: for Saros 10R / Saros 20 / Qrevo CurvX
These work great for the Curv X. Everything fits like it's supposed to.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 26, 2025

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