These steel sleeves are used to straighten bent and out of round pistons. The sleeves have been bored and then honed to the exact sizes used when the valve casings were manufactured.
This is a forming die.and are not adjustable.
These steel sleeves are used to straighten bent and out of round pistons. The sleeves have been bored and then honed to the exact sizes used when the valve casings were manufactured.
This is a forming die.and are not adjustable.