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
WCD4003-6 High-Flow Fuel Cell Vent/Rollover Valve [-6 AN]
InfoVehicle Info Needed
WILLY'S CARBURETOR & DYNO SHOPPART NUMBER: 945-WCD4003

WCD4003-6 High-Flow Fuel Cell Vent/Rollover Valve [-6 AN]

$12999
ShippingShips on Sep 07, 2026
Lowest PriceLowest Price Guarantee

-6 AN
High-Flow Fuel Cell Vent/Rollover Valve
  • High-flow Vent Design
  • Rollover Ball
  • Poppet Valve
  • Reduces Carburetor Flooding
  • -6 AN

    Willy's Carburetor & Dyno Shop WCD4003-6 High-Flow Fuel Cell Vent/Rollover Valve:

    • Features a high-flow vent design with rollover ball to prevent fuel leakage during rollover or wreck
    • Incorporates a poppet valve to maintain vent function under fuel cell pressure
    • Prevents the ball from seating and blocking the vent—an issue common on rough tracks
    • Helps reduce carburetor flooding, especially during corner exits
    • Recommended for racers using belt-driven fuel pumps due to increased fuel flow volume
    • Part TypeFuel Cell Roll Over Valve
    BrandWILLY'S CARBURETOR & DYNO SHOP
    Package Height1.2
    Package Width1.2
    Package Length3.2
    Weight0.13 PG
    Part CategoryPerformance Parts
    AngleStraight
    Size-6 AN
    Fitting TypeVent Valve
    Part FitmentSemi Universal
    Fitting FinishNatural
    Vendor Part NumberWCD4003-6
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews

    Items You Need

    Pro-Flo 350 Black Nylon Braided Hose [-6 AN, 10 ft]

    JEGS

    Pro-Flo 350 Black Nylon Braided Hose [-6 AN, 10 ft]

    Part Number : 555-110912
    $5199$57.99
    You Save$6.00
    AN Hose & Fitting Assembly Kit

    JEGS

    AN Hose & Fitting Assembly Kit

    Part Number : 555-28010
    $758$9.99
    You Save$2.41
    Hose/Cable Cutters [Overall Length: 24 in.]

    JEGS

    Hose/Cable Cutters [Overall Length: 24 in.]

    Part Number : 555-80586
    $4699$50.69
    You Save$3.70
    Nylon Vise Jaws 4 in. Wide for AN Hose Ends

    JEGS

    Nylon Vise Jaws 4 in. Wide for AN Hose Ends

    Part Number : 555-80544
    $2470$24.99
    You Save$0.29
    Small Hose & Fitting Assembly Kit for -4, -6 & -8 AN Sizes

    KOUL TOOLS

    Small Hose & Fitting Assembly Kit for -4, -6 & -8 AN Sizes

    Part Number : 581-468
    $7350
    AN Hose Complete Pressure Test Kit [-3 AN to -16 AN]

    JEGS

    AN Hose Complete Pressure Test Kit [-3 AN to -16 AN]

    Part Number : 555-100285
    $9999$109.99
    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
    Aluminum Vise Jaws 4 in. Wide for AN Hose Ends

    JEGS

    Aluminum Vise Jaws 4 in. Wide for AN Hose Ends

    Part Number : 555-80547
    $2470$24.99
    You Save$0.29
    Vise Jaw Protector for AN Hose Ends

    JEGS

    Vise Jaw Protector for AN Hose Ends

    Part Number : 555-80548
    $2276$29.99
    You Save$7.23
    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 -6 AN Hose]

    JEGS

    Stainless Steel Cushion Clamps [Fits -6 AN Hose]

    Part Number : 555-82035
    $599$6.49
    You Save$0.50
    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!