Track OrderOrder Status & ReturnsHelpGift CardsHelpHelp CenterPhone1-800-345-4545
Shop by Category

Most Popular

Restoration

Shop All Categories

Shop New ProductsShop ALL BrandsTech ArticlesDeals
MY ACCOUNT
Order Status & Returns
CONTACT USHELP CENTER
Logo
Cart0
$000
Made in USA
12-895 EFI Billet Adjustable Regulator [-08 AN O-Ring]
InfoVehicle Info Needed
HOLLEYPART NUMBER: 510-12-895

12-895 EFI Billet Adjustable Regulator [-08 AN O-Ring]

$26595
ShippingShips on 09/09/2026
Lowest PriceLowest Price Guarantee

Universal Bypass Regulators
EFI -08 AN Fuel Pressure Regulator
  • EFI Applications
  • Bypass Style
  • -08 AN O-Ring Inlet, Outlet and Return
  • Adjustable from 15-90 PSI
  • Electric Pumps Only
  • 1/8 in. NPT Boost Reference Port
  • 1/8 in. NPT Gauge Port
  • Billet Aluminum

    Breakdown of Included Items

    Holley EFI 12-895 Universal Bypass Fuel Pressure Regulator Features:

    • 35 percent narrower than Holley HP Billet Bypass Regulators
    • Use with electric fuel pump systems for street or track applications
    • Manifold/boost pressure reference of 1:1
    • 6061-T6 Aluminum with black bright dip body and clear bright dip top

    Emissions Note:

    This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

    CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

      • Precision-Built Fuel Pressure Regulators For EFI and Carburetors

      Holley Billet Fuel Pressure Regulators are available in a variety of configurations and engineered to provide smooth and stable fuel pressure delivery under any conditions from idle to full throttle. Each precision-machined, 6061-T6 billet aluminum regulator features an anodized body and top for corrosion resistance and durable performance.

    Part TypeFuel Pressure Regulator
    Product LineHolley Billet Fuel Pressure Regulators
    BrandHOLLEY
    Package Height3.45
    Package Width4.45
    Package Length5.05
    Weight0.9 PG
    Part CategoryPerformance Parts
    Regulator FinishBlack/Clear anodized
    Outlet Size-8 AN O-ring
    Inlet Size-8 AN O-ring
    Boost/Vacuum Rise Ratio1:01
    Regulator MaterialBillet aluminum
    Outlet QuantityOne
    QuantitySold individually
    Boost/Vacuum Reference PortYes
    RebuildableYes
    Mounting Bracket IncludedYes
    Gauge PortYes
    Return Fitting Size-8 AN O-ring
    Regulator LocationInline
    Fittings IncludedNo
    Inlet QuantityOne
    Pressure Range (Psi)15-90
    Part FitmentUniversal
    Regulator StyleReturn
    Vendor Part Number12-895
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews
    Please click here to download the instructions PDF file

    Items You Need

    Fuel Pressure Gauge 1 1/2 in. Diameter [Liquid Filled]

    JEGS

    Fuel Pressure Gauge 1 1/2 in. Diameter [Liquid Filled]

    Part Number : 555-41010
    $2199$24.99
    You Save$3.00
    AN Port Adapter Fitting -8 AN Port (3/4 in.-16 Thread) to -8 AN Hose

    JEGS

    AN Port Adapter Fitting -8 AN Port (3/4 in.-16 Thread) to -8 AN Hose

    Part Number : 555-110163
    $1069$11.99
    You Save$1.30
    AN Wrench Set -4 AN to -12 AN Standard Wrenches

    JEGS

    AN Wrench Set -4 AN to -12 AN Standard Wrenches

    Part Number : 555-80558
    $6299$69.99
    You Save$7.00
    Billet Aluminum 8 in. Adjustable Wrench [-3 AN to -12 AN]

    JEGS

    Billet Aluminum 8 in. Adjustable Wrench [-3 AN to -12 AN]

    Part Number : 555-80625
    $5829
    Stainless Steel Cushion Clamps [Fits -8 AN Hose]

    JEGS

    Stainless Steel Cushion Clamps [Fits -8 AN Hose]

    Part Number : 555-82036
    $699$7.49
    You Save$0.50
    AN 30-Degree Max Flow Swivel Hose End [-8 AN Female to -8 AN Hose, Black]

    JEGS

    AN 30-Degree Max Flow Swivel Hose End [-8 AN Female to -8 AN Hose, Black]

    Part Number : 555-110028
    $2499$26.29
    You Save$1.30
    AN 45-Degree Max Flow Swivel Hose End [-8 AN Female to -8 AN Hose, Black]

    JEGS

    AN 45-Degree Max Flow Swivel Hose End [-8 AN Female to -8 AN Hose, Black]

    Part Number : 555-110012
    $1499$16.19
    You Save$1.20
    AN 60-Degree Max Flow Swivel Hose End [-8 AN Female to -8 AN Hose, Black]

    JEGS

    AN 60-Degree Max Flow Swivel Hose End [-8 AN Female to -8 AN Hose, Black]

    Part Number : 555-110038
    $2499$26.29
    You Save$1.30
    AN 90-Degree Max Flow Swivel Hose End [-8 AN Female to -8 AN Hose, Black]

    JEGS

    AN 90-Degree Max Flow Swivel Hose End [-8 AN Female to -8 AN Hose, Black]

    Part Number : 555-110022
    $1699$18.29
    You Save$1.30
    AN 120-Degree Max Flow Swivel Hose End [-8 AN Female to -8 AN Hose, Black]

    JEGS

    AN 120-Degree Max Flow Swivel Hose End [-8 AN Female to -8 AN Hose, Black]

    Part Number : 555-108032
    $1899$20.49
    You Save$1.50
    AN 180-Degree Max Flow Swivel Hose End [-8 AN Female to -8 AN Hose, Black]

    JEGS

    AN 180-Degree Max Flow Swivel Hose End [-8 AN Female to -8 AN Hose, Black]

    Part Number : 555-110042
    $1899$20.49
    You Save$1.50
    AN Male Straight Max Flow Swivel Hose End [-8 AN Male to -8 AN Hose, Black]

    JEGS

    AN Male Straight Max Flow Swivel Hose End [-8 AN Male to -8 AN Hose, Black]

    Part Number : 555-110092
    $1028$10.99
    You Save$0.71
    AN Straight Max Flow Swivel Hose End [-8 AN Female to -8 AN Hose, Black]

    JEGS

    AN Straight Max Flow Swivel Hose End [-8 AN Female to -8 AN Hose, Black]

    Part Number : 555-110002
    $849$9.69
    You Save$1.20
    Pro-Flo 200 Series Stainless Steel Braided Hose -8 AN [3 ft.]

    JEGS

    Pro-Flo 200 Series Stainless Steel Braided Hose -8 AN [3 ft.]

    Part Number : 555-100920
    $1499$16.19
    You Save$1.20
    Pro-Flo 200 Series Stainless Steel Braided Hose -8 AN [6 ft.]

    JEGS

    Pro-Flo 200 Series Stainless Steel Braided Hose -8 AN [6 ft.]

    Part Number : 555-100921
    $2999$32.39
    You Save$2.40
    Pro-Flo 200 Series Stainless Steel Braided Hose -8 AN [10 ft.]

    JEGS

    Pro-Flo 200 Series Stainless Steel Braided Hose -8 AN [10 ft.]

    Part Number : 555-100922
    $4799$51.79
    You Save$3.80
    Pro-Flo 200 Series Stainless Steel Braided Hose -8 AN [15 ft.]

    JEGS

    Pro-Flo 200 Series Stainless Steel Braided Hose -8 AN [15 ft.]

    Part Number : 555-100923
    $6999$75.59
    You Save$5.60
    Pro-Flo 200 Series Stainless Steel Braided Hose -8 AN [20 ft.]

    JEGS

    Pro-Flo 200 Series Stainless Steel Braided Hose -8 AN [20 ft.]

    Part Number : 555-100924
    $9699$104.69
    You Save$7.70
    Pro-Flo 350 Black Nylon Braided Hose [-8 AN, 3 ft]

    JEGS

    Pro-Flo 350 Black Nylon Braided Hose [-8 AN, 3 ft]

    Part Number : 555-110920
    $1899$20.49
    You Save$1.50
    Pro-Flo 350 Black Nylon Braided Hose [-8 AN, 6 ft]

    JEGS

    Pro-Flo 350 Black Nylon Braided Hose [-8 AN, 6 ft]

    Part Number : 555-110921
    $3299$35.59
    You Save$2.60
    Pro-Flo 350 Black Nylon Braided Hose [-8 AN, 10 ft]

    JEGS

    Pro-Flo 350 Black Nylon Braided Hose [-8 AN, 10 ft]

    Part Number : 555-110922
    $4799$51.79
    You Save$3.80
    Pro-Flo 350 Black Nylon Braided Hose [-8 AN, 15 ft]

    JEGS

    Pro-Flo 350 Black Nylon Braided Hose [-8 AN, 15 ft]

    Part Number : 555-110923
    $9499$102.59
    You Save$7.60
    Pro-Flo 350 Black Nylon Braided Hose [-8 AN, 20 ft]

    JEGS

    Pro-Flo 350 Black Nylon Braided Hose [-8 AN, 20 ft]

    Part Number : 555-110924
    $9499$104.99
    You Save$10.00
    Thread Sealing Tape 1/2 in. x 43 ft.

    JEGS

    Thread Sealing Tape 1/2 in. x 43 ft.

    Part Number : 555-75055
    $319$3.99
    You Save$0.80
    Some parts are not legal for use in California or other states with similar laws / regulations
    p65 warning
    Your Cart

    Your shopping cart is empty!