Oldsmobile 455 6.625" External Balanced Fluid Damper Harmonic Balancer SFI 18.1 straight ball-milled

straight ball-milled

while the extruded body has a tensile strength over 60

The internal components are made from EN36 material as used in racing

1966-83 trucks and Suburbans

They are quality-manufactured from stainless steel and are available in 18 to 80 oz

Oldsmobile 455 6.625" External Balanced Fluid Damper Harmonic Balancer SFI 18.1 straight ball-milledUsing 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.