‘Case saver’ thread insert, M12x1.5 mm OD., M8x1.25 mm ID, to repair damaged threads on the engine case, length 29mm (per unit)

Description

Inside diameter: 8 mm
Outside diameter: 12 mm
Total length: 29 mm Allows you to repair worn threads on your engine block by installing new 8 mm diameter studs.
Requires re-boring of original thread to 12 mm.
Recommended quantity 16 pcs.