Frequently bought together:
Description
- 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
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