4" to 4.125" 100-105mm Engine Flexible Cylinder Hone Ball Hone 180 grit
BrownBoxCams Flexi Hones
105mm 4" 180sc Grit Flexible BallType Hone
High Quality Silicon Carbide BallType Hones
provides a better ring sealing surface for your Engine rebuilds
we offer this in 180 and 240 grit check out other listings