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ARP Bolts ARP Merlin Block Brodix Head BB Hex Valve Cover Bolt Kit 5/16 Hex (7 Pack) - 400-7525

If you’re diving into the world of performance engines, you’ve probably heard of ARP. They’ve been in the game since 1968, and trust me, they know a thing or two about fasteners. I’ve used their stuff for a while now, and I can tell you, these aren’t your average bolts and studs. The ARP Merlin Block Brodix Head BB Hex Valve Cover Bolt Kit is a solid choice if you're looking to beef up your setup.

This kit comes with seven bolts, each designed to handle some serious stress. We're talking about fasteners that can take on the extreme loads typical in high-performance diesel applications. The installation pre-loads are impressive, meaning these bolts stretch just enough to secure everything tightly without losing grip over time. That’s a big deal when you’re pushing your engine to its limits.

Now, let’s get into the nitty-gritty. The socket size for these bad boys is a 5/16 hex, which fits nicely in your toolset. The thread size is 1/4-20, so you know they’ll screw in smoothly. And if you’re worried about washers, don’t be—this kit comes with them included, which is always a nice touch.

With an overall length of 4.500 inches, these bolts are built to fit snugly in your setup without any fuss. Whether you’re racing or just want your rig to perform at its best, these ARP bolts give you the reliability and strength you need. I’ve seen too many setups fail because of cheap fasteners, so investing in quality like this is a no-brainer.

In short, if you’re serious about your engine performance and want to avoid headaches down the line, grab the ARP Merlin Block Brodix Head BB Hex Valve Cover Bolt Kit. You won’t regret it.

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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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