ATI Performance Products Harmonic Balancer, Super Damper Serpentine Series, Internal Balance - 918845

Enhance your engine's performance with the ATI Performance Products 5.5" Aluminum Harmonic Balancer, designed specifically for serpentine setups. This high-quality component not only improves balance but also reduces vibration, ensuring a smoother ride and increased longevity for your engine.

• Underdrive Design: The outer diameter is 25% underdrive, optimizing engine efficiency and power delivery.
• Durable Construction: Made from aluminum with an elastomer construction, this balancer is built to withstand the rigors of high-performance applications.
• Precision Engineering: Features a single keyway and degree markings for accurate timing adjustments, making installation and tuning hassle-free.
• Complete Kit: Comes with a 1.25" longer crankshaft bolt and washer, plus mounting hardware, ensuring you have everything needed for a straightforward installation.
• Reliable Performance: With an SFI 18.1 rating, this balancer meets high standards for safety and performance in racing environments.

This harmonic balancer has a 5.670" outside diameter and requires shorter belts for proper installation, making it a perfect fit for your Chevy or Pontiac engine. Upgrade to the ATI Super Damper for enhanced reliability and performance.