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Hardware

  • 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
    Quick view

    ARP Dodge 5.9L/6.7L 24V Cummins '98+ Head Stud Kit, 247-4202

    $601.63
    ARP-247-4202
    Out of stock
  • ARP Headstuds ARP Dodge 5.9L/6.7L 24V Cummins '98-Pres Custom AGE Head Stud Kit, 247-4204
    Quick view

    ARP Dodge 5.9L/6.7L 24V Cummins '98-Pres Custom AGE Head Stud Kit, 247-4204

    $1,567.01
    ARP-247-4204
    Out of stock
  • ARP Headstuds ARP Dodge Cummins 4Bt Diesel ARP2000 Head Stud Kit, 247-4206
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    ARP Dodge Cummins 4Bt Diesel ARP2000 Head Stud Kit, 247-4206

    $424.61
    ARP-247-4206
    Out of stock
  • ARP Headstuds ARP Dodge Cummins 5.9L Diesel 12V '89-Mid '97 ARP2000 Main Stud Kit, 247-5402
    Quick view

    ARP Dodge Cummins 5.9L Diesel 12V '89-Mid '97 ARP2000 Main Stud Kit, 247-5402

    $347.74
    ARP-247-5402
    Out of stock
  • ARP Headstuds ARP Dodge Cummins 5.9L Diesel 24V Late '97-'06 ARP2000 Main Stud Kit, 247-5401
    Quick view

    ARP Dodge Cummins 5.9L Diesel 24V Late '97-'06 ARP2000 Main Stud Kit, 247-5401

    $308.28
    ARP-247-5401
    Out of stock
  • ARP Headstuds ARP Dodge Srt10 Gen3 Head Stud Kit, 247-4301
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    ARP Dodge Srt10 Gen3 Head Stud Kit, 247-4301

    $500.14
    ARP-247-4301
    Out of stock
  • ARP Headstuds ARP Ford 2.5L B5254 5Cyl Head Stud Kit, 251-4703
    Quick view

    ARP Ford 2.5L B5254 5Cyl Head Stud Kit, 251-4703

    $302.87
    ARP-251-4703
    Out of stock
  • ARP Headstuds ARP Ford 302/351W Oil Pan Stud Kit, W/Side Rail, 454-1904
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    ARP Ford 302/351W Oil Pan Stud Kit, W/Side Rail, 454-1904

    $153.71
    ARP-454-1904
    Out of stock
  • ARP Headstuds ARP Ford 4.0L SOHC V6 Head Stud Kit, 253-3701
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    ARP Ford 4.0L SOHC V6 Head Stud Kit, 253-3701

    $423.15
    ARP-253-3701
    Out of stock
  • ARP Headstuds ARP Ford 427 & General Repl'T For Alum Rods, Rod Bolt Kit, 200-6001
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    ARP Ford 427 & General Repl'T For Alum Rods, Rod Bolt Kit, 200-6001

    $118.03
    ARP-200-6001
    Out of stock
  • ARP Headstuds ARP Ford 460C.I.D. 385-Series 2-Bolt Main Stud Kit, 255-5502
    Quick view

    ARP Ford 460C.I.D. 385-Series 2-Bolt Main Stud Kit, 255-5502

    $114.98
    ARP-255-5502
    Out of stock
  • ARP Headstuds ARP Ford 6.0L PowersTRoke Diesel CA625+ Head Stud Kit, 250-4205
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    ARP Ford 6.0L PowersTRoke Diesel CA625+ Head Stud Kit, 250-4205

    $1,600.12
    ARP-250-4205
    Out of stock
  • ARP Headstuds ARP Ford 6.7L Diesel Head Stud Kit, 250-4301
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    ARP Ford 6.7L Diesel Head Stud Kit, 250-4301

    $954.39
    ARP-250-4301
    Out of stock
  • ARP Headstuds ARP Ford 7.3L Int Diesel '88-'94 Head Stud Kit, 250-4204
    Quick view

    ARP Ford 7.3L Int Diesel '88-'94 Head Stud Kit, 250-4204

    $693.20
    ARP-250-4204
    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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