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The ATI Shell Assembly is a 6.78 in aluminum outer shell with six grooves, specified for Ford 5.0 2011 Mustang GT applications in a four-ring configuration. It provides the correct outer diameter and groove pattern for ATI damper assemblies that require a 6.78 in aluminum outer with six-grv and four-ring spacing for that Mustang fitment, ensuring the proper interface for pulleys and accessory mounting.
ATI Shell Assy - 6.78 - Alum - 6 Grv Ford 5.0 2011 Mustang GT - 4 Ring
