FAT STEM BLACK DIAMOND™ VALVES FOR HARLEY-DAVIDSON

KIBBLEWHITE FAT STEM BLACK DIAMOND™​VALVES FOR HARLEY-DAVIDSON Fat Stem Black Diamond™ Exhaust Valve 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 de must be reamed / honed to set correct clearance, then 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 BLACK DIAMANT™​VALVES