Valve – Exhaust
Some Twin Cam heads using 7.0mm valves may crack in the port end of the valve guide boss; These valves have .005″ oversize stems to re-establish the correct valve stem to valve guide clearance if the head has cracked; Valve guides must be reamed/honed to set correct clearance, the a valve job performed to ensure proper sealing; Oversize portion of the valve stem does not extend into the keeper groove area; OEM valve keepers can be used
$31.95
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