it would be a fool's errand to do that job without locking down the crank.
Source an OE pulley and install it for the IMSR procedure and put your aftermarket unit back on when done.
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Six speed 2000 Boxster S
Arctic Silver on Metropol Blue | LN Dual Row IMSR | Arctic Silver console, spoiler frame & bumperettes | Crios mod | Technobrace | RoboTop module & modified convertible top relay for one-touch roof operation
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