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ARP Bolts ARP Ford 6.4L Diesel Crank Flange Adapter Bolt Kit 8740 Chromoly Black Oxide - 150-2506

If you’re diving into some serious work on your Ford 6.4L Diesel, you’ll want to check out this ARP Crank Flange Adapter Bolt Kit. Trust me, these aren’t just any bolts—they’re built for the job. Each bolt is made from 8740 chrome moly steel, which means they’re tough as nails and ready to handle the stress of high torque situations without breaking a sweat.

The thread size is 12mm x 1.25, which is pretty standard for a lot of applications, but don’t let that fool you. These bad boys have an underhead length of 2.425 inches, giving you just the right fit for that crank flange. And yeah, they come with washers, so you won’t have to scramble to find the right ones when you’re in the middle of your project.

What’s cool is the black oxide finish. It not only looks sleek but also adds a layer of protection against rust and corrosion. This is especially handy if you’re working in less-than-ideal conditions or just want to keep your engine bay looking sharp.

Sold as a set of 6, this kit is perfect if you’re replacing all your bolts at once or just want to have some spares on hand. These are the kind of details that make a difference when you’re piecing together a reliable setup. So, if you’re serious about your Ford 6.4L Diesel, don’t skimp on the hardware. Grab this ARP bolt kit and get your engine running smoothly without any worries.

Other Part Numbers:
ARP Bolts #arp150-2506

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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