ARP Rocker Arm Bolts 12pt, M8 x 1.25mm Thread 2.560" Stud Length Kit 234-7207

ARP Rocker Arm Bolts 12pt, M8 x 1.25mm Thread 2.560" Stud Length Kit

ARP Pro series rocker arm studs are ideal for competition applications. They are made from 8470 chromoly steel and are heat-treated to 200,000 psi tensile strength. These studs are concentric within .005 T.I.R. thread pitch to thread pitch, providing more consistent rocker geometry. With an extra-large radius base, these studs resist flex and ensure a more positive seating. Pro Series rocker arm studs are designed for use with Perma-Loc adjusters and are not suitable for OEM-style, self-locking nuts.

Key features

• Manufactured from high-strength 8470 chromoly steel.
• Heat-treated for enhanced durability and performance.
• 200,000 psi tensile strength for reliable operation.
• Concentric within .005 T.I.R. for consistent rocker geometry.
• Extra-large radius base to reduce flex and improve seating.
• Designed for use with Perma-Loc adjusters.

Technical details

• Thread size: M8 x 1.25mm.
• Stud length: 2.560 inches.
• 12-point design for improved torque application.
• Heat-treated for maximum strength and performance.
• Compatible with competition applications.

Applications / fitment

These rocker arm bolts are typically used in high-performance engines and competition vehicles.

• Ideal for racing applications.
• Compatible with modified engines requiring enhanced rocker geometry.
• Suitable for use in aftermarket engine builds.
• Perfect for automotive enthusiasts and professional mechanics.

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.

Frequently asked questions

What are the benefits of using ARP rocker arm bolts?

ARP rocker arm bolts offer enhanced strength and durability, ensuring reliable performance in high-stress applications.

Can these bolts be used with OEM-style nuts?

No, these bolts are designed for use with Perma-Loc adjusters and are not suitable for OEM-style, self-locking nuts.

What is the tensile strength of these rocker arm bolts?

The ARP rocker arm bolts are heat-treated to achieve a tensile strength of 200,000 psi.

How do I install these rocker arm bolts?

Installation should be done according to the manufacturer's specifications, ensuring proper torque settings are followed for optimal performance.

Are these bolts suitable for street use?

While primarily designed for competition applications, they can be used in high-performance street applications where enhanced strength is required.