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ARP Custom Age 625+ Carrillo 16Pk Rod Bolts 7/16 in. Cap Screw 230,000 psi - 300-6701

If you're in the market for some serious connecting rod bolts, let me tell you about the 300-6701 ARP Custom Age 625+ bolts. These bad boys are made by Carrillo, a name that’s trusted in the performance world. When you're building or upgrading your engine, you want something that can handle the heat, and these bolts are built to take it.

First off, the cap retention style uses a cap screw, which means you get a solid grip that won't let go when the pressure's on. The rod bolt head style is an "E" type, and the nut style is 12-point. This design not only looks slick but also gives you a better grip with your wrench, making installation a breeze.

Now, let’s talk strength. These bolts have a fastener yield strength of 230,000 psi. That’s some serious muscle, perfect for high-performance applications where every bit of strength counts. The bolt diameter is a solid 7/16 inch, and they’re made from ARP Custom Age 625 Plus material, which is known for its durability and resistance to fatigue. This means you’re less likely to run into issues down the line, especially if you’re pushing your engine to its limits.

Just a heads up, the nuts aren’t included, so make sure to grab those separately. You’ll need a wrench diameter of 7/16 inch to get these tightened down properly, so have that on hand when you’re ready to install.

Overall, if you’re serious about your build and want to ensure everything holds together under pressure, these ARP bolts are a solid choice. They’ve got the specs to back them up, and you won’t regret investing in quality hardware for your engine.

Other Part Numbers:
ARP Bolts #arp300-6701

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⚠ WARNING: Cancer and Reproductive Harm
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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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