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The ATI drive pulley is a machined aluminum pulley sized 3.74 with a four‑groove profile and a 3.03 drive ratio, made to fit behind the damper on part number 916430M hubs. This entry provides the pulley diameter, groove count and compatibility note referencing the hub location to help installers select the correct drive pulley when assembling or replacing crank drive components.
ATI Pulley - Drive - 3.74 - Alum - 4 Grv - 3.03 Drive - for 916430M Hub Behind Damper
