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  • ARP Headstuds ARP Honda/Acura K20A Rod Bolt Kit, 208-6003
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    ARP Honda/Acura K20A Rod Bolt Kit, 208-6003

    $131.12
    ARP-208-6003
  • ARP Headstuds ARP M8 X 1.25 X 32Mm Broached Stud Kit - 10Pcs, 400-8021
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    ARP M8 X 1.25 X 32Mm Broached Stud Kit - 10Pcs, 400-8021

    $123.67
    ARP-400-8021
  • ARP Headstuds ARP M8 X 1.25 X 51Mm Broached Stud Kit - 16Pcs, 400-8034
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    ARP M8 X 1.25 X 51Mm Broached Stud Kit - 16Pcs, 400-8034

    $249.72
    ARP-400-8034
  • ARP Headstuds ARP Mitsubishi 2.0L (4B11) Turbo Main Stud Kit, 207-5403
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    ARP Mitsubishi 2.0L (4B11) Turbo Main Stud Kit, 207-5403

    $235.76
    ARP-207-5403
  • ARP Headstuds ARP Mitsubishi 4G63 '94 Up M11 Head Stud Kit, 207-4203
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    ARP Mitsubishi 4G63 '94 Up M11 Head Stud Kit, 207-4203

    $151.49
    ARP-207-4203
  • ARP Headstuds ARP Mitsubishi 4G63 '94& Up M11 Head Stud Kit, 207-4302
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    ARP Mitsubishi 4G63 '94& Up M11 Head Stud Kit, 207-4302

    $423.55
    ARP-207-4302
  • ARP Headstuds ARP Mitsubishi/Dodge 6G72 DOHC ARP2000 Head Stud Kit, 207-4205
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    ARP Mitsubishi/Dodge 6G72 DOHC ARP2000 Head Stud Kit, 207-4205

    $476.11
    ARP-207-4205
  • ARP Headstuds ARP Nissan 2.5L RB25 Inline 6Cyl Head Stud Kit, 202-4309
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    ARP Nissan 2.5L RB25 Inline 6Cyl Head Stud Kit, 202-4309

    $248.01
    ARP-202-4309
  • ARP Headstuds ARP Nissan CA16 / 18DE / 18DET Undercut Studs Head Stud Kit, 202-4702
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    ARP Nissan CA16 / 18DE / 18DET Undercut Studs Head Stud Kit, 202-4702

    $159.42
    ARP-202-4702
  • ARP Headstuds ARP Nissan CA18DE, CA18DET Head Stud Kit, 202-4302
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    ARP Nissan CA18DE, CA18DET Head Stud Kit, 202-4302

    $136.98
    ARP-202-4302
  • ARP Headstuds ARP Nissan GTR RB26DETT ARP2000 Head Stud Kit, 202-4207
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    ARP Nissan GTR RB26DETT ARP2000 Head Stud Kit, 202-4207

    $306.34
    ARP-202-4207
  • ARP Headstuds ARP Nissan Pulsar GTIR SR20 DET 12MM Head Stud Kit, 202-4303
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    ARP Nissan Pulsar GTIR SR20 DET 12MM Head Stud Kit, 202-4303

    $180.50
    ARP-202-4303
  • ARP Headstuds ARP Nissan RB26 Inline6-Cyl Main Stud Kit, 202-5403
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    ARP Nissan RB26 Inline6-Cyl Main Stud Kit, 202-5403

    $242.13
    ARP-202-5403
  • ARP Headstuds ARP Nissan SR20 DET, Head Stud Kit, 102-4701
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    ARP Nissan SR20 DET, Head Stud Kit, 102-4701

    $209.73
    ARP-102-4701
  • ARP Headstuds ARP Nissan SR20DET Main Stud Kit, 202-5402
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    ARP Nissan SR20DET Main Stud Kit, 202-5402

    $135.93
    ARP-202-5402
  • ARP Headstuds ARP Nissan VR38 CA625 Head Stud Kit, 202-4305
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    ARP Nissan VR38 CA625 Head Stud Kit, 202-4305

    $966.18
    ARP-202-4305

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Catalog Frequently Asked Questions

Find answers to our most common questions below.

Quantum Fuel Systems specializes in high-quality fuel system components, including fuel pumps, filters, wiring harnesses, and more for a wide range of vehicles. Want to know more? Check out our About Us page.

Our team is here to help! Call us 1-818-574-FUEL (3835) or use our online contact form for quick assistance.

QFS has been providing reliable, performance-focused fuel system solutions for over 20 years, earning the trust of automotive enthusiasts and professionals alike.

Absolutely. Our products are designed to meet or exceed OEM standards for quality and performance, offering a reliable alternative to original parts.

Absolutely. Our products are designed to meet or exceed OEM standards for quality and performance, offering a reliable alternative to original parts.

We provide fuel system solutions for a broad range of vehicles, including cars, trucks, motorcycles, boats, ATVs, UTVs, and snowmobiles.

Our easy-to-use online catalog allows you to search by make, model, and year to find the perfect fit. Need help? Contact our support team for personalized assistance.

Yes! Orders placed by 3:00 PM PST ship the same day, so you get your parts quickly and minimize downtime.

Explore Quantum Fuel Systems’ comprehensive catalog—your ultimate one-stop shop for everything fuel system-related. From fuel pumps and injectors to pressure regulators, filters, and installation kits, we have the solutions to keep your engine running smoothly. With unmatched customer service, a lifetime warranty on in-house pumps, same-day shipping, and products designed for professionals and DIYers alike, Quantum sets the standard. Trusted by 1,800+ dealers, we’re here to fuel your journey.

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