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RB30 Series 1 block converter to S2, allows for passenger side tensioner landing so that you can utilise your series 1 block for twin cam head applications.
(Note kit includes 1 adapter plate and 1 Tensioner pulley post)
Note: 30mm is the most common where as the 28mm is a rarer sizing
Installation guide here-> RB Block Pulley Conversion
Ships within 48 hours · Estimated delivery Jun 26 - Jul 1
US$40
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