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  • Phenix Straight Reusable Banjo Hose End Short -3AN (All Sizes + Colors)
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    Straight Reusable Banjo Hose End Short -3AN (All Sizes + Colors)

    $18.05
    PHX-J0313-11-0
    Choose Options
  • 255LPH Fuel Pump w/ Installation Kit - Automotive Performance, HFP-342-S226 High Flow Fuel
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    255LPH Fuel Pump w/ Installation Kit - Automotive Performance, HFP-342-S226 High Flow Fuel

    $81.98
    HFP-342-S226-BC
    Add to Cart
  • 255LPH Fuel Pump w/ Installation Kit for 1997-2001 Honda Prelude - Automotive Performance, HFP-342-865 High Flow Fuel
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    255LPH Fuel Pump w/ Installation Kit for 1997-2001 Honda Prelude - Automotive Performance, HFP-342-865 High Flow Fuel

    $81.98
    HFP-342-865-BC
    Add to Cart
  • 340LPH Fuel Pump w/ Installation Kit - E85-Compatible Automotive Performance, QFS-352FT-U High Flow Fuel
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    340LPH Fuel Pump w/ Installation Kit - E85-Compatible Automotive Performance, QFS-352FT-U High Flow Fuel

    $94.98
    QFS-352FT-U-BC
    Add to Cart
  • AEM 150 PSIg Stainless Sensor Kit, AEM-30-2130-150
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    AEM 150 PSIg Stainless Sensor Kit, AEM-30-2130-150

    $159.95
    AEM-30-2130-150
    Add to Cart
  • AEM 3.5 Bar Stainless Map Sensor Kit
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    AEM 3.5 Bar Stainless Map Sensor Kit, AEM-30-2130-50

    $154.95
    AEM-30-2130-50
    Add to Cart
  • AEM 400LPH E85-Compatible Single Barb Fuel Pump Kit, 50-1235
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    AEM 400LPH E85-Compatible Single Barb Fuel Pump Kit, AEM-50-1235

    $149.95
    AEM-50-1235
    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

    $159.95
    AEM-30-2130-75
    Add to Cart
  • AEM Adjustable Fuel Pressure Regulator. Black. Acura & Honda Offset Flange with 90 Degree Return Line Fitting, AEM-25-304BK
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    AEM Adjustable Fuel Pressure Regulator. Black. Acura & Honda Offset Flange with 90 Degree Return Line Fitting, AEM-25-304BK

    $199.95
    AEM-25-304BK
    Out of stock
  • AEM CAS Trigger Disk 50mm OD, AEM-30-8760
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    AEM CAS Trigger Disk 50mm OD, AEM-30-8760

    $49.95
    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 Digital Wideband UEGO Gauge without Sensor, AEM-30-4110NS
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    AEM Digital Wideband UEGO Gauge without Sensor, AEM-30-4110NS

    $139.95
    AEM-30-4110NS
    Add to Cart
  • 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

    $619.95
    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

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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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