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The ATI inertia ring labeled 6 is a steel, two-ring light option intended for use inside a crankshaft damper. Its lighter two-ring construction provides a reduced rotating mass choice when matching damper inertia to engine balance or tuning goals. It serves as a serviceable replacement mass for damper rebuilds and should be installed per supplier guidance.
ATI Inertia Ring - 6 - Steel - 2 Ring Light
