ATI Super Damper Harmonic Damper - SB Chevy 400 - 7.074" Diameter - Steel - External Balance AK113112B Its external pre-filter features uniform

Its external pre-filter features uniform micro openings that filter out most dust and debris before it can reach the internal filter

New step profile has been developed to complement and flow with the chiseled design of new body style trucks

1973-1996 Ford F-250

Instead of filling a very large shell with lots of padding for a size small

ATI Super Damper Harmonic Damper - SB Chevy 400 - 7.074" Diameter - Steel - External Balance AK113112B Its external pre-filter features uniformATI Super Damper has become one of the industry's standards in harmonic vibration control, combining two dampening surfaces in one unit. At 6000 RPM, digital vibration tests proved the ATI Super Damper to be 30% more effective than original equipment style dampers. ATI Super Damper consists of an outer shell, inner shell, crankshaft hub, and eight individual elastomers. Reductions in torsional vibrations provide increased horsepower while improving