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  • QFS LS Swap Fuel Line Kit for 1973-1991 Chevy & GMC Square Body Pickup - Automotive Performance, HFP-FSYS5 | QFS
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    LS Swap Fuel Line Kit for 1973-1991 Chevy & GMC Square Body Pickup - Automotive Performance, HFP-FSYS5 | QFS

    $852.98
    HFP-FSYS5-BC
    Add to Cart
  • Mahle Fuel Filter KL438
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    Mahle Fuel Filter KL438

    $62.60
    MAHLE-KL438
    Out of stock
  • QFS Oxygen Sensor - OEM Replacement, QFS-WBS4068 QFS
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    O2 Sensor - OEM Replacement, QFS-WBS4068 QFS

    $236.98
    QFS-WBS4068-BC
    Add to Cart
  • QFS Oxygen Sensor - OEM Replacement, QFS-WBS4087 QFS
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    O2 Sensor - OEM Replacement, QFS-WBS4087 QFS

    $68.98
    QFS-WBS4087-BC
    Add to Cart
  • QFS Performance Fuel Pump Assembly w/ Flex Hose & Strainer - Fits Airtex E8294M, QFS-A23H QFS
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    Performance Fuel Pump Assembly w/ Flex Hose & Strainer - Fits Airtex E8294M, QFS-A23H QFS

    $171.98
    QFS-A23H-BC
    Add to Cart
  • QFS Performance Fuel Pump Assembly w/ Sending Unit - Fits Airtex E3542M, QFS-A830HV QFS
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    Performance Fuel Pump Assembly w/ Sending Unit - Fits Airtex E3542M, QFS-A830HV QFS

    $312.98
    QFS-A830HV-BC
    Add to Cart
  • QFS Performance Fuel Pump Assembly w/ Sending Unit - Fits Airtex E3569M, QFS-A822HV QFS
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    Performance Fuel Pump Assembly w/ Sending Unit - Fits Airtex E3569M, QFS-A822HV QFS

    $312.98
    QFS-A822HV-BC
    Add to Cart
  • QFS Performance Fuel Pump Assembly w/ Sending Unit - Fits Airtex E3923M, QFS-A816HV QFS
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    Performance Fuel Pump Assembly w/ Sending Unit - Fits Airtex E3923M, QFS-A816HV QFS

    $326.98
    QFS-A816HV-BC
    Add to Cart
  • RC Engineering 1000cc Fuel Injectors [Qty 4] for Mitsubishi, RC-1000CC-4G63T
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    RC Engineering 1000cc Fuel Injectors [Qty 4] for Mitsubishi, RC-1000CC-4G63T

    $361.50
    RC-1000CC-4G63T-4-91331-BC
    Out of stock
  • RC Engineering 1200cc B-Series Fuel Injectors [Qty 4] for Honda
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    RC Engineering 1200cc B-Series Fuel Injectors [Qty 4] for Honda

    $361.50
    RC-1200CC-BSERIES-4-91344-BC
    Out of stock
  • RC Engineering 1200cc D-Series Fuel Injectors [Qty 4] for Honda
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    RC Engineering 1200cc D-Series Fuel Injectors [Qty 4] for Honda

    $361.50
    RC-1200CC-DSERIES-4-91346-BC
    Out of stock
  • RC Engineering 310cc B-Series Fuel Injectors [Qty 4] for Acura
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    RC Engineering 310cc B-Series Fuel Injectors [Qty 4] for Acura

    $325.50
    RC-310CC-BSERIES-4-91378-BC
    Out of stock
  • RC Engineering 310cc B-Series Fuel Injectors [Qty 4] for Honda
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    RC Engineering 310cc B-Series Fuel Injectors [Qty 4] for Honda

    $325.50
    RC-310CC-BSERIES-4-91444-BC
    Out of stock
  • RC Engineering 310cc D-Series Fuel Injectors [Qty 4] for Honda
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    RC Engineering 310cc D-Series Fuel Injectors [Qty 4] for Honda

    $325.50
    RC-310CC-DSERIES-4-91380-BC
    Out of stock
  • RC Engineering 370cc K-Series Fuel Injectors [Qty 4] for Honda
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    RC Engineering 370cc K-Series Fuel Injectors [Qty 4] for Honda

    $325.50
    RC-370CC-KSERIES-4-91384-BC
    Out of stock
  • S&B Filters S&B Cold Air Intake For 11-16 Chevrolet Silverado Sierra GMC V8-6.6L LML Duramax Cotton Cleanable Red
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    S&B Cold Air Intake For 11-16 Chevrolet Silverado Sierra GMC V8-6.6L LML Duramax Cotton Cleanable Red

    $349.00
    S&B-75-5075-1-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?

READ MORE ABOUT QFS