• 4-1/8" Engine Cylinder Flex-Hone
• Hone engine cylinders 3-1/4" to 4-1/8" and 83mm 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
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