23/64" 9 mm Cylinder Flex-Hone valve guides 120 grit Brush Research BC9M12

Description

0.354" or 9.0mm Guide Hone for all engine valve guide applications utilizing a 0.353" to 0.355" (23/64" or 11/32" valve guides) or  8.9mm to 9.1mm bore.
120 Grit
- Brand new sealed in package engine cylinder head valve guide flex-hone.
- This is NOT a brush but a stone hone with abrasive globules that will produce a controlled finish.
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The hone actual size is .354"
. Perfect for for materials types, steel, bronze, etc.
- Made in USA by the best cylinder hone manufacturer, FLEX-HONE.
- 120 grit, GOOD for valve guide refinishing.
- Tool can be used with a  3/8" or 1/2" chuck portable drill or drill press
- Tool is self centering and easy to use , inquire if unfamiliar
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.
ITEM IS BRAND NEW NEVER REMOVED FROM FACTORY PACKING