Use Coupon Code BOOST5 at Checkout!
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$38.00
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Just like other wear and tear items, your factory rear shifter bushing will become soft overtime, creating a loose shifter feel and increased movement under all acceleration circumstances. The Kartboy unit eliminates this problem by tightening up any loose ends with their much stiffer design.
These are 100% guaranteed, and hand made in the USA. 
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Use Coupon Code BOOST5 at Checkout!
Use the chat function below to ask us anything you need!