Hone engine cylinders 3-1/4″ to 4-1/8″ (83 to 105mm) in diameter to produce a plateaued finish for fast ring seating and better oil retention for longer engine life.
Hone life is in excess of 1000 cylinders.
Requires no setup.
Use variable-speed 3/8˝ electric hand drill and move the Flex-Hone® up and down in the cylinder until desired results are obtained.