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ARP 400-8300 1/4-28 Stainless Steel 12pt Nut Kit, 5/16 Socket Size - 400-8300

ARP Bolts Part Number: 400-8300

If you're in the market for reliable fasteners, the ARP Bolts 400-8300 is a solid choice. Known for their commitment to quality since 1968, ARP has built a reputation for producing fasteners that can withstand extreme conditions. The 400-8300 model is no exception, designed to meet the demands of serious automotive enthusiasts and professionals alike.

Features and Benefits

  • High Strength: These bolts are engineered to handle significant loads, ensuring that your components stay secure even under intense conditions.
  • Durable Material: Made from high-quality stainless steel, the 400-8300 bolts resist corrosion and wear, making them suitable for various applications.
  • Precision Design: Each bolt is manufactured to exact specifications, providing a perfect fit for your needs.
  • Socket Size: The 400-8300 features a 5/16” 12-point socket size, allowing for easy installation and removal.

Customer Feedback

Many users have praised the ARP 400-8300 for its reliability. One customer mentioned, "I've used these bolts in my diesel setup, and they hold up incredibly well. No issues with stretching or breaking, even under heavy loads." Another user highlighted the ease of installation, stating, "The 12-point design makes it so much easier to work in tight spaces. Really happy with my purchase!"

Technical Data

The ARP 400-8300 bolts are designed to provide high installation pre-loads, meaning they are stretched during installation to ensure a tight fit. This characteristic is crucial for maintaining the integrity of your assembly under high-stress conditions.

In summary, if you're looking for a dependable fastener that won't let you down, the ARP Bolts 400-8300 is worth considering. With a focus on strength and durability, these bolts have proven their worth in various applications.

Proposition 65

⚠ 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.

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