Description
ATI Super Damper Harmonic Damper SB Chevy 400 7.074" Diameter Steel External Balance Shoulder Harness 1 1 2 Inch x 48 spline WEI7155 1 1 2 Inch x 48 spline This is a replacement parachute pack only Super Damper The Super Damper is also available with an aluminum shell which is considerably lighter than STOCK units while providing 30% more inertia weight