Brush Research GB314320AO FLEX-HONE®, 3-1/4" (83mm) Diameter, 320 Grit, Aluminum Oxide Abrasive (Pack of 1)

Brand new sealed in package Aluminum Oxide engine cylinder flex-hone. Designed to work with Nikasil cylinder bores from 2.900" to 3.260". Perfect for for all Nikasil coated/plated engine cylinder blocks materials. Made in USA by the one of the best cylinder hone manufacturers, FLEX-HONE. Hone is 320 grit, EXCELLENT for re-ringing jobs or final bore. The actual tool is packaged as a 3.250" diameter. 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" LONG SHAFT for engine rebuilding.