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ARP Bolts ARP GM LS Hex Bellhousing Bolt Kit 10mm x 1.5 Stainless Steel 434-0901 - 434-0901

If you're diving into a GM LS swap or just need to tighten up your bellhousing, the ARP GM LS Hex Bellhousing Bolt Kit is a solid choice. These aren't your run-of-the-mill bolts; they’re built with some serious thought behind them. The hex head style makes it easy to get a good grip with your wrench, so you won't be fumbling around when you're trying to get everything lined up just right.

Now, let’s talk specs for a second. The underhead length comes in at about 1.378 inches, which is perfect for ensuring a snug fit without overextending into areas where you don’t want them. The thread size is 10mm x 1.5—standard for a lot of setups, so you shouldn't have any issues pairing these with your existing hardware.

What really sets these bolts apart is the stainless steel construction. Not only do they have that natural finish that looks clean and professional, but they’re also built to withstand the elements. No more worrying about rust or corrosion ruining your hard work. I've had my fair share of headaches with inferior fasteners, and trust me, investing in quality like this pays off in the long run.

Whether you're a seasoned builder or just getting your feet wet with engine swaps, this bolt kit gives you peace of mind. You want your engine securely mounted, and these bolts deliver that confidence without breaking the bank. So if you're ready to get your project rolling, grab a set of these ARP bolts and get to work!

Other Part Numbers:
ARP Bolts #arp434-0901

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⚠ 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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