BRM
FLEX-HONE
9 MM HONING TOOL
180 GRIT
MADE OF BORON CARBIDE
FOR VALVE SLEEVE INSERT OR VALVE GUIDE..
PRODUCES A CONTROLLED SURFACE CONDITION
UNOBTAINABLE BY ANY OTHER METHOD...
WILL RADIUS THE PORTS WHILE IT HONES THE WALLS.
SOFT CUTTING ACTION ,SELF ALIGNING TO THE BORE,
AND SELF COMPENSATING FOR WEAR...