null

  • FREE
    SHIPPING

  • BUY NOW
    PAY LATER

  • GUARANTEED
    FIT

  • AMERICAN
    OWNED

  • LIFETIME
    WARRANTY

  • U.S. BASED
    SUPPORT

Gauges

  • QFS Fuel Pressure Gauge, HFP-FPG QFS
    Quick view

    Fuel Pressure Gauge, HFP-FPG QFS

    $15.98 - $20.98
    HFP-FPG-0-BC
    Choose Options
  • AEM X-Series Wideband UEGO AFR Sensor Gauge w/ Bosch LSU 4 9 Sensor, 30-0300
    Quick view

    AEM X-Series Wideband UEGO AFR Sensor Gauge w/ FAE Sensor, AEM-30-0300

    $217.95
    AEM-30-0300
    Add to Cart
  • AEM Digital Wideband UEGO Gauge Controller With Bosch LSU 4.9 AFR O2 Air Fuel Ratio 2 1/16" 52mm 30-4110
    Quick view

    AEM Digital Wideband UEGO Gauge Controller With Bosch LSU 4.9 AFR O2 Air Fuel Ratio 2 1/16" 52mm, AEM-30-4110

    $199.95
    AEM-30-4110
    Add to Cart
  • AEM X-Series Tru-Boost Controller Gauge with Boost Control Solenoid, AEM-30-0352
    Quick view

    AEM X-Series Tru-Boost Controller Gauge with Boost Control Solenoid, AEM-30-0352

    $380.95
    AEM-30-0352
    Add to Cart
  • Phenix Pressure Gauge 0 to 100 Psi 1/8 NPT Silicone Filled
    Quick view

    Pressure Gauge 0 to 100 Psi 1/8 NPT Silicone Filled

    $47.16
    PHX-F305100-3
    Add to Cart
  • AEM Digital Boost Gauge, AEM-30-4406
    Quick view

    AEM Digital Boost Gauge, AEM-30-4406

    $199.95
    AEM-30-4406
    Out of stock
  • AEM X-Series Pressure Gauge, AEM-30-0301
    Quick view

    AEM X-Series Pressure Gauge, AEM-30-0301

    $217.95
    AEM-30-0301
    Add to Cart
  • AEM X-Series EGT Gauge , AEM-30-0305
    Quick view

    AEM X-Series EGT Gauge , AEM-30-0305

    $326.95
    AEM-30-0305
    Add to Cart
  • AEM X-Series Boost Pressure Gauge, AEM-30-0306
    Quick view

    AEM X-Series Boost Pressure Gauge, AEM-30-0306

    $217.95
    AEM-30-0306
    Add to Cart
  • AEM X-Series Temperature Gauge, AEM-30-0302
    Quick view

    AEM X-Series Temperature Gauge, AEM-30-0302

    $227.95
    AEM-30-0302
    Out of stock
  • AEM X-Series Oil Pressure Gauge , AEM-30-0307
    Quick view

    AEM X-Series Oil Pressure Gauge , AEM-30-0307

    $260.95
    AEM-30-0307
    Add to Cart
  • AutoMeter Autometer ROM Signal Adapter for Distributorless Ignitions, AUT-9117
    Quick view

    Autometer ROM Signal Adapter for Distributorless Ignitions, AUT-9117

    $124.97
    AUT-9117-91761-BC
    Out of stock
  • AEM Digital Oil/Fuel Pressure Gauge, AEM-30-4401
    Quick view

    AEM Digital Oil/Fuel Pressure Gauge, AEM-30-4401

    $211.95
    AEM-30-4401
    Out of stock
  • Fuelab Fuel Pressure Gauge, EFI, 71501
    Quick view

    Fuel Pressure Gauge, EFI, 71501

    $28.21
    FLB-71501
    Out of stock
  • AEM Digital Wideband UEGO Gauge without Sensor, AEM-30-4110NS
    Quick view

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

    $149.95
    AEM-30-4110NS
    Add to Cart
  • AEM X-Series Temperature Gauge 100~300F / 40~150C Accessory Kit, AEM-30-0302-ACC
    Quick view

    AEM X-Series Temperature Gauge 100~300F / 40~150C Accessory Kit, AEM-30-0302-ACC

    $21.75
    AEM-30-0302-ACC
    Add to Cart

USE #QUANTUMEQUIPPED ON SOCIAL MEDIA OR UPLOAD SUBMIT YOUR RIDE

qfs proudly supports the wounded warrior project

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?

READ MORE ABOUT QFS