The ATI crankshaft damper is a 7.48-inch aluminum three-ring balancer with a 6/4 groove layout and 10 teeth per underdrive provision, specified for 2016+ Camaro LT1 and ZL1 engines (excluding supercharger pulley). Its diameter, ring count and groove spacing match the accessory and pulley requirements for direct-fit replacement on those Camaro models.
ATI Damper - 7.48in - AL - 6/4 Grv - 10 Per UD - 16+ Camaro LT1/ZL1 - (Excl SC Pulley) - 3 Ring