Kibblewhite - Valve - Exhaust - Fat Stem Valves - 20-20776
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Kibblewhite - Valve - Exhaust - Fat Stem Valves - 20-20776
Valve - Exhaust
Fat Stem Valves
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
Fat Stem Valves
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
