4" Bore Honing Tool Car Engine Brake Cylinder Hone Flex Shaft 51mm - 177mm

Adjustable honing pressure a to suit the particular application. Adjustable honing tension. Flexible shaft for ease of use and self centring. It scratches off the inner score of the cylinder. Engine Timing Locking Tool For GM & SAAB V6 3.0L and 3.2L Petrol Cam-belt Work.