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ARP Bolts 1/2-13 x 3.000 Hex Stainless Steel Bolts (5/pkg) with Washers Included - 646-3000

If you're diving into a project that demands some serious strength, these ARP 1/2-13 x 3.000 Hex Stainless Steel Bolts are just what you need. I’ve used them on a few builds now, and let me tell you, they don’t mess around. First off, the 1/2-13 RH fastener size is pretty standard, but it’s got the kind of durability that makes a difference when you’re really pushing your rig or equipment to the limit.

One of the standout features is the underhead length of 3 inches. That extra length gives you a bit more room to work with, especially when you’re dealing with thicker materials or need a solid grip on something hefty. The hex head style is a classic choice, making it easy to wrench down tight without stripping out the head. And speaking of wrenches, you’ll want a 9/16 inch wrench to get these tightened just right.

Now, let’s talk about what these bolts are made of. They’re crafted from ARP Stainless 300, which means they’re not just shiny; they’re built to last. The polished finish not only looks good but also helps resist corrosion, so you won’t have to worry about them rusting out on you after a few months in the elements. Plus, with a yield strength of 180,000 psi, these bolts are ready to take on whatever you throw at them.

And just so you know, you won’t be hunting for washers to go with these bolts—they come included in the package. You get five bolts per pack, which is usually enough for most jobs, but if you’re like me and tend to misplace stuff, you might want to grab a couple of packs just in case.

In short, if you’re looking for reliable fasteners that can handle the heat of a tough project, these ARP bolts are a solid choice. They’ve served me well, and I’m confident they’ll do the same for you.

Other Part Numbers:
ARP Bolts #arp646-3000

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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