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ARP Bolts ARP BB Chevy SS Hex Header Bolt Kit, 3/8-16, Stainless Steel, Polished, Set of 16 - 400-1112

If you're diving into a build or just need to replace some old hardware, the ARP BB Chevy SS Hex Header Bolt Kit is worth a look. These aren't just any bolts; they’re designed specifically for big block Chevys, and trust me, they make a difference.

First off, let’s talk about the fastener style. These are bolt-style fasteners, which means you get a solid grip when you're tightening things down. The thread size is 3/8-16 inches—pretty standard but essential for a snug fit. And the hex head style makes it easy to get a wrench on them without stripping, even if you're working in tight spaces.

Now, about the underhead length. At 1.000 inches (or 25.00 mm), these bolts are just the right length to ensure you’re not over-tightening or under-tightening. It’s a small detail, but it really matters when you’re dealing with headers that can take a beating from heat and vibration.

What I love about these bolts is the material. Made from stainless steel, they resist rust and corrosion, which is a huge plus if you’re driving your Chevy in all kinds of weather. Plus, they come with a polished finish that not only looks good but also helps prevent gunk from sticking to them.

And let’s not forget the quantity—you get a set of 16. That’s enough to handle a full header installation, which is super convenient. No need to worry about running to the store halfway through your project.

So, if you're looking to upgrade your header bolts, give these ARP ones a shot. They’re reliable, durable, and just plain work. You’ll appreciate the difference when you’re out on the road or track.

Other Part Numbers:
ARP Bolts #arp400-1112

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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