10 mm (.394") Cylinder Flex-Hone Ball Hone Valve Guides 120 Grit BRM BC10M12

 0.394" or 10mm Guide Flex- Hone for all engine valve guide applications utilizing a 0.393" to 0.395"  or  9.8mm to 10.2mm bore.

120 GRIT

This brand new sealed in package engine cylinder head valve guide flex-hone. This is NOT a brush but a hone with abrasive globules that will produce a controlled finish.  The hone actual size is .394". Perfect for for materials types, steel, bronze, etc. The hone is made by the one of the best cylinder hone manufacturers, FLEX-HONE. The hone is 120 grit, Good for valve guide refinishing and clean-up.  This patented Flex-Hone is the best way to create a Cross Hatch surface finish with suspended globule working abrasives. 

THIS TOOL HAS THE 8" long SHAFT for cylinder head  rebuilding.