Used with large bore 4.25″ cylinders and stock stroke of 107″ (3.937″).
There is no need to rebalance the steering wheel.
Note: See 577193 for 4.25″ large bore cylinder kit.
Note: See 576556 for the 4.25″ Wiseco gasket set.
Fits:> 17-21 M8 107″ models with 4.25″ big bore cylinder kit
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