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ARP Bolts 1/2-13 x 2.750 Hex Stainless Steel Bolts (5/pkg) with Washers Included - 646-2750

If you're diving into a project that demands reliability and strength, these ARP 1/2-13 x 2.750 Hex Stainless Steel Bolts are a solid choice. I’ve had my fair share of experiences with fasteners, and let me tell you, these guys stand out.

First off, the size is just right for a lot of applications—1/2-13 RH threads mean they’ll fit snugly where you need them. The underhead length of 2.750 inches gives you that extra reach, which can be a lifesaver when you're working in tight spaces. I’ve used them on everything from suspension upgrades to securing heavy-duty components, and they’ve never let me down.

Now, let’s talk about the material. These bolts are made from ARP Stainless 300, which means they’re tough as nails and resistant to rust. I’ve tackled some rough weather conditions, and they’ve held up beautifully. The polished finish not only looks great but also helps prevent corrosion—definitely a plus if you’re in an area with a lot of moisture.

The hex head style makes it easy to get a good grip with a wrench, and speaking of which, you’ll want a 9/16 inch wrench for these. They come with washers included, which is a nice touch, as it saves you a trip to the hardware store.

With a yield strength of 180,000 psi, you can trust these bolts to handle serious loads without breaking a sweat. I’ve pushed my builds hard, and these bolts have always kept everything securely in place.

In a pack of five, these ARP bolts are a great investment for anyone who’s serious about their projects. Whether you’re a weekend warrior or a full-time builder, you’ll appreciate the quality and reliability these fasteners bring to the table. Trust me, once you try them, you won’t want to use anything else.

Other Part Numbers:
ARP Bolts #arp646-2750

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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