This 2.25" Alternator Pulley is the same size as an OEM Alternator Pulley but comes in billet, anodized black. Utilizes a 17mm ID hole, this pulley will work on the RAD-160 , RAD-270 and all OEM Toyota Alternators.
If you plan on setting your red line higher than 8000rpm, we suggest upsizing to the 2.75" pulley designed to prevent over-spinning of the alternator.
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