Piston ring compressor pliers for cylinder installation - Function and benefits - Compress piston rings during cylinder installation with a dedicated ring compressor tool. - Fine tooth lock allows stepwise compression for precise adjustment and controlled seating. - Ratchet lock design keeps handles in place for easier and safer piston installation. - Universal fit for a wide range of cars by accommodating common piston sizes. - Compatibility and size - Fits any piston with a diameter of 2-7/8 inch (73 mm) to 4-3/8 inch (111 mm). - Please check piston size (diameter) before ordering to ensure proper fit. - Design features - Unique pliers style for easy handling during ring compression. - Ratchet lock system secures the mechanism, simplifying installation. - Material and durability - Made of high strength metal material. - Wear resistant, bending resistant, high hardness, impact resistant. - Long service life for repeated use in maintenance and repair work. - Practical use scenarios - Engine rebuilds on passenger cars: use to compress rings when installing new pistons in bores within the tool’s size range. - Routine engine service in repair shops: convenient for piston and ring installation during cylinder refurbishment projects. - DIY maintenance tasks: a reliable tool for controlled ring compression before piston insertion in engines with compatible bore sizes.