ARP Balancer Bolt Kits

Multiple Chevrolet Fitments (235-2501)

Part #: 235-2501

Overview

The ARP Balancer Bolt Kit is a high-quality fastening solution designed specifically for Chevrolet engines. Engineered to ensure the harmonic damper remains securely in place, this kit is essential for performance enthusiasts and rebuilders who demand reliability and durability. When your engine's crankshaft flexes under load, the harmonic damper absorbs significant energy, and a secure bolt is critical to prevent slippage or failure. ARP's balancer bolt kit provides the peace of mind that your engine components stay properly aligned and functioning optimally.

Ideal for street, performance, and racing applications, this bolt kit helps support the integrity of your engine's timing and balance systems. Whether you're rebuilding your engine or upgrading components, ARP's hardware ensures a precise fit and long-lasting performance, making it a trusted choice among professional mechanics and DIY enthusiasts alike.

Key Features

ARP's Balancer Bolt Kit is crafted with precision and engineered for strength and reliability. The kit features a 12-point head design that accepts a deep socket, reducing the risk of stripping during installation or removal. This design allows for easier access in tight engine bays and ensures a secure fit every time.

• Thread Size: 1/2 in.-20 – Standard size for many Chevrolet applications, ensuring compatibility with a wide range of engines.
• Underhead Length: 1.550 inches – Provides the correct length for secure engagement without over-tightening.
• Head Style: 12-point – Offers increased contact area for better torque application and reduced stripping risk.
• Washer Included: Yes – Ensures even load distribution and secure fastening.
• Fastener Tensile Strength: 200,000 psi – Made from high-strength 8740 chromoly steel, capable of withstanding extreme engine stresses.
• Fastener Material & Finish: 8740 chromoly with a durable black oxide finish – Combines strength with corrosion resistance for long-term durability.

Construction & Design

The ARP balancer bolt kit is manufactured from premium-grade 8740 chromoly steel, renowned for its exceptional strength-to-weight ratio and durability. The black oxide finish not only enhances corrosion resistance but also provides a sleek, professional appearance. The 12-point head design allows for maximum torque application and easier access in confined spaces, making installation and removal straightforward even in complex engine setups.

Designed with precision machining, these bolts ensure a perfect fit with OEM and aftermarket components. The high tensile strength of 200,000 psi guarantees that the bolt can handle the stresses of high-performance driving, engine rebuilds, and racing conditions without failure.

Performance & Reliability

While this kit does not directly increase horsepower, it plays a vital role in maintaining engine integrity and performance. Properly securing the harmonic damper prevents unwanted vibrations, which can lead to engine damage or reduced efficiency. Using ARP's proven fasteners ensures that your engine's critical components remain securely fastened under demanding conditions, supporting consistent performance and longevity.

Installation & Fitment

The ARP Balancer Bolt Kit is designed for a straightforward, bolt-on installation. It is compatible with various Chevrolet engines, including those requiring a 1/2 in.-20 thread size. No special tools beyond a standard socket set are necessary, and the 12-point head design facilitates easier tightening and loosening. Always follow torque specifications provided by ARP or your engine manufacturer to ensure proper installation. This kit requires no modifications, cutting, or drilling, making it suitable for both professional rebuilds and DIY projects.

• Easy to install with common hand tools
• Designed for use with harmonic dampers on Chevrolet engines
• Ensures secure, reliable fastening under high stress

What's Included

• High-strength ARP balancer bolt
• Included washer for optimal load distribution

Ideal For

• Engine rebuilds and upgrades for Chevrolet vehicles
• Performance enthusiasts seeking reliable hardware
• Professional mechanics and DIY engine builders
• Applications requiring a durable, high-tensile fastener for harmonic damper retention

Emissions Note

This product is designed for use in engines that comply with emissions regulations when installed correctly. Always verify compatibility with your specific vehicle and local regulations before installation.