3-1/2" Engine Cylinder FlexHone Ball Hone Flex-Hone 400 grit GB312400SC

Description

3 1/2 (89mm) Engine Cylinder Flex-Hone for all engine applications utilizing a 3.100" to 3.55" or  75mm to 90mm bore.
400 GRIT
Brand new sealed in package engine cylinder flex-hone is for 3.100 to 3.55" cylinder bores
Designed to work with cylinder bores from 3.100" to 3.550".
Perfect for all engine types and block materials.
Made in USA by the one of the best cylinder hone manufacturers, FLEX-HONE.
400 grit, EXCELLENT for Moly, Plasma, re-ringing jobs or final bore in performance engines.
Tool is labeled 3.500" diameter but is actually slightly larger to apply the required wall force for honing a 3 1/2" cylinder bore
Tool is self centering and can be used with a 3/8" or 1/2" chuck portable drill or drill press
This patented Flex-Hone is the best way to create a Cross Hatch surface finish with suspended globule working abrasives.  Contact us for more information as we use this hone on all of our race motors.  Most of the engine hone articles reference this exact brand and type of tool.
THIS TOOL HAS THE 13 1/2" LONG SHAFT for engine rebuilding.
ITEM IS BRAND NEW NEVER REMOVED FROM FACTORY PACKING