66mm Bore Piston and Rings Kit FOR DT 175 YT175 1982 Motorcycle Motor Parts Piston and rings kit includes one piston and one set of piston rings.Designed to fit DT 175 and YT175 models from 1982.The piston has a bore diameter of 66 mm, a height of 69.5 mm, and a wrist pin diameter of 16 mm.Installation requires placing the piston rings into their designated grooves on the piston with proper orientation and gap alignment.The piston is then positioned in the cylinder bore and connected to the connecting rod using the wrist pin and retaining clips.Once assembled, the unit is inserted into the cylinder and the cylinder head is secured.This is a piston and ring assembly for motorcycle engine rebuilds. Compatibility Disclaimer: This is an aftermarket replacement part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.