Ford 429 460 SFI 18.1 Harmonic Balancer Fluid Damper Internal [Chrome] These Speedmaster flexplate dust covers

These Speedmaster flexplate dust covers have brilliant polish finish and are made from high quality materials

Flat surfaces are finished with CNC machine center for accuracy and smoothness

classic design

Couple this Hi-Ram intake with the high flowing Ford Coyote style cylinder heads has outstanding potential for naturally aspirated and forced induction applications

Ford 429 460 SFI 18.1 Harmonic Balancer Fluid Damper Internal [Chrome] These Speedmaster flexplate dust coversUsing 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.