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ARP 3/8" x 1.000" Hex Header Bolt Kit, Black Oxide Steel, Set of 12 - 100-1109

If you're diving into a header swap or just need some solid bolts to keep your exhaust system in check, the ARP 3/8 X 1.000in Hex Header Bolt Kit is a solid choice. These aren't just any bolts; they’re built to last. With a thread size of 3/8-16, they fit snugly and are designed to handle the heat and stress that comes with high-performance setups.

  • Fastener Style: Bolt – because who wants anything less?
  • Thread Size: 3/8-16 in. – a common size that fits a lot of headers out there.
  • Head Style: Hex – easy to grip and torque down, even in tight spaces.
  • Underhead Length: 1.000 in. (25.00mm) – just the right length to secure your headers without any fuss.
  • Fastener Material: Steel – tough enough to withstand the elements and the heat.
  • Fastener Finish: Black oxide – adds a bit of corrosion resistance and looks good while doing it.
  • Quantity: Sold as a set of 12 – enough to cover most applications.

These bolts are perfect for keeping your headers secure, especially if you’re pushing your engine a bit harder. The black oxide finish not only gives them a sleek look but also helps fend off rust, which is a big plus if you’re in a wet climate. Just make sure to torque them down properly, and you’re set. No more worrying about header leaks or stripped threads. Grab a set and get your ride back on the road with confidence!

Other Part Numbers:
ARP Bolts #arp100-1109

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

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The Story Behind ARP Bolts

ARP (Automotive Racing Products) was founded by Gary Holzapfel in 1968 when he noticed his drag-racing friends succumbing to bolt-induced engine failure as a result of poor-quality fasteners. He drew upon his expertise in the aerospace industry to develop a solution, which turned into a successful business nonetheless. 

Since its inception, ARP has been engineering and perfecting a wide range of bolts, studs, nuts, and other fasteners for engines, cylinder heads, headers, wheels, and transmissions. Today, ARP remains the undisputed world leader in automotive fasteners. Racing aficionados everywhere know and recognize the ARP brand and can vouch for its quality.

What Makes ARP Bolts So Special?

Located in Ventura, California, all ARP processes from raw wire to finished fasteners are conducted in-house, right here in the USA. The company continually improves its processes with strict quality control guidelines and is dedicated to producing products that are second to none. Simply put, ARP Bolts are better than the competition because of their quality materials and advanced processes. 

ARP prides itself on using only top-quality materials that are above the usual “aerospace-grade” quality that other manufacturers settle for. For example, while 8740 Chromoly steel has four different grades, ARP only uses the top two, SDF and CHQ. These grades cost twice as much as the lower commercial and aircraft grades, but deliver “zero defect” quality that you can trust each and every time.

ARP Bolts are built to withstand serious racing, possess greater tensile strengths, and can survive higher stress levels than most aircraft fasteners. ARP is dedicated to creating fasteners that boast ultimate strength and durability to ensure they last race after race. Its product lineup ranges from quality high-performance OEM parts to exotic specialty hardware for IndyCar, NASCAR, NHRA drag racing, Formula 1, and even marine applications.

Equip Your Ride with ARP Bolts at Vivid Racing

If you are looking to change the fasteners on your car, you’ve come to the right place. No other brand beats out ARP Bolts in terms of strength, quality, and race-proven success. Vivid Racing is, therefore, proud to carry an extensive lineup of products from American Racing Products like bolts, fluids, sealants, hand tools, stud kits, piston sleeves, wheel bolts, and more! If you have any questions regarding the parts above, please call our specialized sales team at (480) 966-3040.

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