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Dinsmoor also swapped out the stock CB550F cylinder head for a Mike Rieck special—complete with 1 mm oversize valves, titanium retainers, and heavy duty springs.
Mike Rieck. Holy fuck. I've been lusting after his head-work for about 3 years now.
Last edited by paperassgasket; Apr 12, 2013 at 03:32 AM.