Oldsmobile 455 6.625" External Balanced Fluid Damper Harmonic Balancer SFI 18.1 Additional fittings may be required

Additional fittings may be required depending on your application

All the factory flaws redesigned to be eliminated

Constructed from a composite material with a steel core

Engineered for accurate

Oldsmobile 455 6.625" External Balanced Fluid Damper Harmonic Balancer SFI 18.1 Additional fittings may be requiredUsing 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.