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ARP 1/4in x 20 - 1.25in UHL 12pt Stainless Steel Bolts (5/pkg) - 611-1250

If you're diving into some serious automotive work or just need reliable fasteners for your latest project, let me tell you about these ARP 1/4-20 bolts. They’re not just any bolts; these are built from ARP Stainless 300, which means they’re tough enough to handle whatever you throw at them. With a yield strength of 180,000 psi, you can trust they won’t let you down when it matters most.

Each bolt has a polished finish that not only looks sharp but also helps resist corrosion. You won't have to worry about rust creeping in and ruining your hard work. The 12-point head style means you’ll get a solid grip when you’re tightening them down, and with a wrench diameter of just 5/16 inches, they fit nicely in tight spots.

These bolts come in a convenient pack of five, so you’ve got enough to tackle most jobs without scrambling for extras. Plus, washers are included, which is a nice touch—no need to hunt those down separately. The underhead length of 1.250 inches is perfect for a variety of applications, whether you’re working on suspension components or just need something sturdy for your chassis.

Honestly, if you’re serious about your build, you’ll appreciate the quality and reliability of these fasteners. They’re a solid choice for anyone looking to make sure their setup is as dependable as it gets.

Other Part Numbers:
ARP Bolts #arp611-1250

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.

ARP Store | ARP Bolts | ARP Stud Kits | ARP Wheel Bolts | ARP Clearance

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