DAMPER - 5.5 - AL - 4 & 5 SERP

Upgrade your engine's performance with the ATI Performance Products 5.5" Harmonic Balancer, designed for optimal balance and durability. This aluminum damper is engineered to reduce harmful vibrations, ensuring a smoother and more efficient operation.

• Enhanced Vibration Control: The elastomer construction effectively dampens vibrations, prolonging engine life.
• Precision Engineering: Featuring degree markings and a 360-degree marking range for accurate timing adjustments.
• Lightweight Design: Weighing just 3.60 lbs, this damper maintains performance without adding unnecessary weight to your setup.
• Reliable Performance: SFI 18.1 rated for safety and performance in high-demand applications.
• Easy Installation: Designed with a single keyway for straightforward installation.

With an outside diameter of 5.500 inches and a striking black zinc chromate finish, this harmonic balancer not only performs well but also looks great in your engine bay. Choose the ATI 917991 for reliability and performance.