ATI Super Damper for LS9 Engines and the 2009+ ZR1 Corvette

The ATI Super Damper LS9 balancers are designed to improve engine performance by providing balanced dampening of torsional crankshaft vibrations at all RPM levels. The damper comes with 360 laser-etched timing marks and features dual Serpentine drives for the accessories. All ATI Super Dampers exceed SFI 18.1 Safety Certification and are approved for competition use. OE 6 Rib pulley design.