ATI Super Damper Harmonic Damper - SB Chevy 400 - 7.074" Diameter - Steel - External Balance AK113112B 9/16 in Head

9/16 in Head

thus forming a "V" shape

tubes are black zinc coated

Stainless steel shield fits over most 5x5 hubs and inside 15" wheels to help reduce mud build-up commonly found on the backside of the left rear wheel of

ATI Super Damper Harmonic Damper - SB Chevy 400 - 7.074" Diameter - Steel - External Balance AK113112B 9/16 in HeadATI 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