ARP Bolt Kit 12PT 1/4"-20 x .515" UHL w/ 5/16" Socket Black 5pk 640-0515

ARP Bolt Kit 12PT 1/4"-20 x .515" UHL w/ 5/16" Socket Black 5pk

The ARP Bolt Kit is an essential addition for anyone looking to enhance the performance and reliability of their automotive, marine, or trailer applications. Featuring premium-quality ARP chromoly bolts, this kit is designed for both DIY enthusiasts and professionals. With a nominal tensile strength of 180,000 psi, these heat-treated 8740 chromoly fasteners provide a significant safety margin over standard Grade 8 hardware, ensuring your installations are secure and dependable.

Whether you’re working on a car, boat, or trailer, this kit includes everything you need to complete your project with confidence. The black oxide finish not only enhances durability but also provides a sleek look to your installations.

Key features

• Premium ARP chromoly construction for exceptional strength and durability.
• Heat-treated 8740 material for enhanced performance under stress.
• Nominal tensile strength rated at 180,000 psi, surpassing Grade 8 standards.
• Black oxide finish for improved corrosion resistance and aesthetic appeal.
• Includes 5 bolts and a 5/16" socket for versatile applications.

Technical details

• Size: 1/4"-20 x .515" UHL
• Material: 8740 chromoly
• Finish: Black oxide
• Pack size: 5 bolts
• Socket size: 5/16"

Applications / fitment

This bolt kit is ideal for a variety of applications where strength and reliability are paramount.

• Automotive installations including engines and chassis components.
• Marine applications for securing equipment and fixtures.
• Trailer assembly and maintenance for enhanced safety.
• General DIY projects requiring high-strength fasteners.
• Professional workshops needing reliable service parts.

Why buy from Mick’s Gone Bush?

• Trusted Australian business focused on reliable power, auto-electrical, and service parts.
• Stock sourced from reputable distributors and brands.
• Practical support for trade, off-grid, and fleet customers.
• Clear shipping, warranty, and customer service policies.
• Expert advice available to help you choose the right products.

Frequently asked questions

What is the tensile strength of the ARP bolts?

The ARP bolts are nominally rated at 180,000 psi tensile strength, providing a significant safety margin over standard Grade 8 hardware.

Can these bolts be used in marine applications?

Yes, the black oxide finish provides corrosion resistance, making them suitable for marine applications.

What size socket is required for these bolts?

The kit includes a 5/16" socket, which is required for these bolts.

Are these bolts suitable for heavy-duty automotive use?

Absolutely, these bolts are designed for heavy-duty automotive applications and provide reliable performance.

How many bolts are included in the kit?

The kit includes five high-strength bolts.