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ARP Bolts 3/8in - 16 x 4.250 12pt Stainless Steel Bolts (5/pkg) - 613-4250

If you're diving into a project that demands some serious hardware, let me tell you about these ARP 3/8-16 x 4.250 stainless steel bolts. These aren’t just any bolts; they’re built for the long haul. With a yield strength of 180,000 psi, you know they’re tough enough to handle whatever you throw at them.

Each bolt comes with a 12-point head style, which means you can get a solid grip when you’re tightening things down. No more slipping and cursing under the hood! The polished finish not only looks sharp but also helps resist corrosion, so you won’t have to worry about rust messing with your setup.

These bolts are ARP Stainless 300 grade, which is a fancy way of saying they’re engineered for high performance. Whether you’re upgrading your engine components or securing a custom setup, these bolts are sold in a set of 5, so you’ve got enough to tackle multiple tasks without scrambling for more.

Oh, and did I mention they come with washers? That’s a nice touch, especially when you want to ensure a snug fit. The underhead length of 4.250 inches gives you that extra reach, making them versatile for various applications. Whether you're working on a classic build or a modern ride, these bolts fit right in.

So if you’re looking to beef up your project with some reliable fasteners, these ARP bolts are a solid choice. They’re tough, reliable, and ready to get the job done without any fuss.

Other Part Numbers:
ARP Bolts #arp613-4250

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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