Proform Balancers - 66512

Enhance your Chevrolet or GMC performance with the Proform Parts Harmonic Balancer for the Big Block 454. Designed for external balance, this balancer ensures smooth engine operation and longevity.

• Nodular Iron Construction: Provides exceptional durability and strength, making it ideal for high-performance applications.
• Degree Markings: Allows for precise timing adjustments, enhancing engine performance and efficiency.
• Designed for Easy Installation: Features a single keyway and three crankshaft pulley bolt holes for straightforward mounting.
• Elastomer Construction: Reduces vibrations effectively, contributing to a quieter engine operation.
• Natural Finish: Offers a clean look that complements your engine bay aesthetics.

This harmonic balancer is compatible with Chevrolet and GMC models from 1977 to 1988, providing a perfect fit for your vehicle. Trust Proform Parts for quality and reliability in your engine components.

Upgrade your engine's performance today with this essential part from Proform.