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  • ARP Headstuds ARP BBC W/Brodix Alum Block W/Dart Pro 1S Or 360S Heads Head Stud Kit, 135-4303
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    ARP BBC W/Brodix Alum Block W/Dart Pro 1S Or 360S Heads Head Stud Kit, 135-4303

    $362.36
    ARP-135-4303
    Out of stock
  • ARP Headstuds ARP BMW 1.6L (N12/N14/N16/N18) 4Cyl Head Stud Kit, 201-4304
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    ARP BMW 1.6L (N12/N14/N16/N18) 4Cyl Head Stud Kit, 201-4304

    $227.81
    ARP-201-4304
    Out of stock
  • ARP Headstuds ARP BMW 2.5L E30 M20 6Cyl Head Stud Kit, 201-4305
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    ARP BMW 2.5L E30 M20 6Cyl Head Stud Kit, 201-4305

    $271.18
    ARP-201-4305
    Out of stock
  • ARP Headstuds ARP BMW 2.5L M50/M50Tu Rod Bolt Kit, 201-6301
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    ARP BMW 2.5L M50/M50Tu Rod Bolt Kit, 201-6301

    $194.69
    ARP-201-6301
    Out of stock
  • ARP Headstuds ARP BMW E46 M3/S54 12Pt Head Stud Kit, 201-4303
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    ARP BMW E46 M3/S54 12Pt Head Stud Kit, 201-4303

    $247.58
    ARP-201-4303
    Out of stock
  • ARP Headstuds ARP BMW E46 M3/S54 Main Stud Kit, 201-5002
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    ARP BMW E46 M3/S54 Main Stud Kit, 201-5002

    $171.23
    ARP-201-5002
    Out of stock
  • ARP Headstuds ARP BMW E46 M3/S54 Rod Bolt Kit, 201-6103
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    ARP BMW E46 M3/S54 Rod Bolt Kit, 201-6103

    $209.78
    ARP-201-6103
    Out of stock
  • ARP Headstuds ARP BMW M10, S14 Main Stud Kit, 201-5001
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    ARP BMW M10, S14 Main Stud Kit, 201-5001

    $119.76
    ARP-201-5001
    Out of stock
  • ARP Headstuds ARP BMW M50, 2.5L 6-Cylinder 12Pt Head Stud Kit, 201-4302
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    ARP BMW M50, 2.5L 6-Cylinder 12Pt Head Stud Kit, 201-4302

    $236.74
    ARP-201-4302
    Out of stock
  • ARP Headstuds ARP BMW M50, M52, S50Us, S52Us, 2-Bolt Main, Main Stud Kit, 201-5000
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    ARP BMW M50, M52, S50Us, S52Us, 2-Bolt Main, Main Stud Kit, 201-5000

    $169.05
    ARP-201-5000
    Out of stock
  • ARP Headstuds ARP BMW Mini Cooper S Head Stud Kit, 201-4301
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    ARP BMW Mini Cooper S Head Stud Kit, 201-4301

    $156.90
    ARP-201-4301
    Out of stock
  • ARP Headstuds ARP Chevy Duramax 6.6L Diesel Custom AGE Head Stud Kit, 230-4202
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    ARP Chevy Duramax 6.6L Diesel Custom AGE Head Stud Kit, 230-4202

    $2,196.48
    ARP-230-4202
    Out of stock
  • ARP Headstuds ARP Chevy Duramax Diesel '01-'04 (Lb-7), '04-Pres (Lly) Head Stud Kit, 230-4201
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    ARP Chevy Duramax Diesel '01-'04 (Lb-7), '04-Pres (Lly) Head Stud Kit, 230-4201

    $814.20
    ARP-230-4201
    Out of stock
  • ARP Headstuds ARP Chevy GM GEN III LS LS1 4.8 5.3 5.7 6.0 HEX CAMSHAFT CAM BOLT SET, 134-1003
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    ARP Chevy GM GEN III LS LS1 4.8 5.3 5.7 6.0 HEX CAMSHAFT CAM BOLT SET, 134-1003

    $8.21
    ARP-134-1003
    Out of stock
  • ARP Headstuds ARP Dodge 5.9 Diesel W/Girdle '04+ Main Stud Kit, 247-5403
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    ARP Dodge 5.9 Diesel W/Girdle '04+ Main Stud Kit, 247-5403

    $321.26
    ARP-247-5403
    Out of stock
  • ARP Headstuds ARP Dodge 5.9L 12V Cummins '89-'98 Head Stud Kit, 247-4203
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    ARP Dodge 5.9L 12V Cummins '89-'98 Head Stud Kit, 247-4203

    $610.70
    ARP-247-4203
    Out of stock
  • ARP Headstuds ARP Dodge 5.9L 12V Cummins '94-'98 Custom AGE Head Stud Kit, 247-4205
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    ARP Dodge 5.9L 12V Cummins '94-'98 Custom AGE Head Stud Kit, 247-4205

    $1,587.89
    ARP-247-4205
    Out of stock
  • ARP Headstuds ARP Dodge 5.9L/6.7L 24V Cummins '98+ Head Stud Kit, 247-4202
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    ARP Dodge 5.9L/6.7L 24V Cummins '98+ Head Stud Kit, 247-4202

    $601.63
    ARP-247-4202
    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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