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The ATI 6.78-inch aluminum damper is a 6/4-groove, two-ring unit offered with 10 percent underdrive (UD) sizing for LS3 Camaro models (2010–2015) and Gen 3 Vortec truck LS engines. It provides reduced pulley OD for specific accessory drive setups while maintaining harmonic control and belt alignment for installations needing slightly altered drive ratios.
ATI Damper - 6.78in - Alum - 6/4 Grv - 10 Per UD - LS3 Camaro - 10-15 - Gen 3 Vortec Truck - LS
