ARP Harmonic Balancer Bolt 12PT 5/8-18x1.800" UHL Holden 253-304-308 154-2501

ARP Harmonic Balancer Bolt 12PT 5/8-18x1.800" UHL Holden 253-304-308

As the crankshaft flexes, the balancer absorbs incredible amounts of energy. ARP balancer bolt kits will ensure that your balancer is locked into position. They feature a 12-point head that accepts a deep socket to eliminate the fear of stripping the head. Designed for automotive enthusiasts and professionals, this product is ideal for those working on Holden 253, 304, and 308 engines.

With ARP's reputation for quality and reliability, you can trust this harmonic balancer bolt to provide the necessary strength and durability for high-performance applications.

Key features

• 12-point head design for enhanced grip and reduced risk of stripping.
• Precision-engineered for a secure fit in Holden 253, 304, and 308 engines.
• Manufactured from high-quality materials for improved strength and longevity.
• Easy installation with standard tools, suitable for DIY and professional use.

Technical details

• Size: 5/8-18 x 1.800" UHL
• Material: High-strength steel
• Head type: 12-point
• Application: Suitable for Holden 253, 304, and 308 engines

Applications / fitment

This harmonic balancer bolt is typically used in high-performance automotive applications, ensuring that the balancer remains securely fastened during operation.

• Ideal for Holden 253, 304, and 308 engine builds.
• Perfect for both street and race applications.
• Commonly used in automotive restoration projects.
• Suitable for professional workshops and DIY enthusiasts alike.

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 is a harmonic balancer bolt?

A harmonic balancer bolt secures the harmonic balancer to the crankshaft, preventing it from loosening during engine operation.

Is this bolt compatible with other engine models?

This specific bolt is designed for Holden 253, 304, and 308 engines and may not be compatible with other models.

How do I install the harmonic balancer bolt?

Installation typically involves removing the old bolt and using a torque wrench to secure the new bolt to the manufacturer's specifications.

What tools do I need for installation?

You will need a deep socket wrench compatible with the 12-point head and a torque wrench for proper installation.

Can I use this bolt for racing applications?

Yes, this bolt is designed for high-performance applications, making it suitable for racing and other demanding environments.