Oldsmobile 455 6.625" External Balanced Fluid Damper Harmonic Balancer SFI 18.1 As the horsepower in your

As the horsepower in your performance vehicle goes up so does the strength of the read end housing

and are great for towing applications

Engineered for durability and precision

while the extruded body has a tensile strength over 60

The outer cases made from 8620 Chrome-Nickel-Moly steel and the case hardened for long life and improved strength

Oldsmobile 455 6.625" External Balanced Fluid Damper Harmonic Balancer SFI 18.1 As the horsepower in yourUsing only three parts a laser welded sealed housing, an internal inertia ring, and highly viscous silicone fluid between the two these SFI approved Fluid dampers can control all crankshaft vibration, not just a limited frequency range. As a result, you get reduced wear on the main bearings and timing gear, more stable valvetrain operation, and less chance of crank failure.