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Accessories & Specialty

  • AEM 3.5 Bar Stainless Map Sensor Kit
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    AEM 3.5 Bar Stainless Map Sensor Kit, AEM-30-2130-50

    $163.95
    AEM-30-2130-50
    Add to Cart
  • AEM 75 PSIa or 5 Bar Stainless Sensor Kit, 30-2130-75
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    AEM 75 PSIa or 5 Bar Stainless Sensor Kit, AEM-30-2130-75

    $169.95
    AEM-30-2130-75
    Add to Cart
  • AEM CAS Trigger Disk 50mm OD, AEM-30-8760
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    AEM CAS Trigger Disk 50mm OD, AEM-30-8760

    $48.32
    AEM-30-8760
    Add to Cart
  • AEM Digital Dash Display CD-5G Non-Logging, AEM-30-5602
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    AEM Digital Dash Display CD-5G Non-Logging, AEM-30-5602

    $1,210.95
    AEM-30-5602
    Out of stock
  • AEM V2 Water/Methanol Injection Kit, HD Controller, AEM-30-3301
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    AEM V2 Water/Methanol Injection Kit, HD Controller, AEM-30-3301

    $614.95
    AEM-30-3301
    Add to Cart
  • ARP Headstuds ARP BMW E46/328I Rod Bolt Kit, 201-6303
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    ARP BMW E46/328I Rod Bolt Kit, 201-6303

    $194.44
    ARP-201-6303
    Out of stock
  • ARP Headstuds ARP Head Stud Kit for Nissan RB20 RB20DET RB25 RB25D, 202-4301
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    ARP Head Stud Kit for Nissan RB20 RB20DET RB25 RB25D, 202-4301

    $190.12
    ARP-202-4301
    Out of stock
  • ARP Headstuds ARP Mitsubishi 2.0L 4-Cylinder 16V Head Stud Kit, 207-4201
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    ARP Mitsubishi 2.0L 4-Cylinder 16V Head Stud Kit, 207-4201

    $121.83
    ARP-207-4201
    Out of stock
  • ARP Headstuds ARP SBC WP Motown Iron Block/Iron Head Head Stud Kit, 134-4201
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    ARP SBC WP Motown Iron Block/Iron Head Head Stud Kit, 134-4201

    $258.06
    ARP-134-4201
    Out of stock
  • ARP Headstuds ARP Subaru EJ 2.0/2.5L DOHC CA625+ Head Stud Kit, 260-4704
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    ARP Subaru EJ 2.0/2.5L DOHC CA625+ Head Stud Kit, 260-4704

    $655.40
    ARP-260-4704
    Out of stock
  • ARP Headstuds ARP VW 1.8L Turbo 20V M10 (Without Tool) Head Bolt Kit, 204-3901
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    ARP VW 1.8L Turbo 20V M10 (Without Tool) Head Bolt Kit, 204-3901

    $166.08
    ARP-204-3901
    Out of stock
  • AutoMeter Autometer 2-1/16" Pyrometer, 0-1600 °F, Ultra-Lite, AUT-4344
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    Autometer 2-1/16" Pyrometer, 0-1600 °F, Ultra-Lite, AUT-4344

    $244.97
    AUT-4344
    Out of stock
  • AutoMeter Autometer 2-1/16" Pyrometer, 0-1600 °F, Z-Series, AUT-2654
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    Autometer 2-1/16" Pyrometer, 0-1600 °F, Z-Series, AUT-2654

    $240.97
    AUT-2654
    Out of stock
  • AutoMeter 5 Pc. Gauge Kit 3-1/8" & 2-1/16" Mech. Speedometer, Arctic White, AUT-1300
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    AutoMeter 5 Pc. Gauge Kit 3-1/8" & 2-1/16" Mech. Speedometer, Arctic White, AUT-1300

    $432.97
    AUT-1300
    Out of stock
  • Phenix Female to Male AN Expander 2 Pc Swivel (All Sizes + Colors)
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    Female to Male AN Expander 2 Pc Swivel (All Sizes + Colors)

    $19.91
    PHX-C34-3-0
    Choose Options
  • Fuelab Fuel Pressure Gauge, CARB, 71502
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    Fuel Pressure Gauge, CARB, 71502

    $28.21
    FLB-71502
    Add to Cart
  • QFS Fuel Pump Fitting, QFS-FT28 QFS
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    Fuel Pump Fitting, QFS-FT28 QFS

    $8.98
    QFS-FT28-BC
    Add to Cart
  • QFS Fuel Pump Fitting, QFS-FT42 QFS
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    Fuel Pump Fitting, QFS-FT42 QFS

    $8.98
    QFS-FT42-BC
    Add to Cart

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About Us

quantum fuel systems blk

QFS was born from a desire for freedom: the freedom to keep your ATV, dirt bike, car, or truck running with dependable, OEM-quality, and affordable fuel systems. We want you back on the road without breaking the bank. Skip the costly dealership—our replacement parts ship directly to you and are easy to install. Enjoy OEM performance with unbeatable US-based support and a lifetime warranty. Are you with us?

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