Features 1、This piston set is suitable for 188F air‑cooled diesel engine, which is convenient to use. 2、The piston set can withstand the high temperature and pressure generated by combustion and reciprocate up and down. 3、This piston set includes piston, circlip, piston ring and pin, which is practical and meets your needs. 4、The motor engine piston set are complete, and the faulty parts can be replaced in time. 5、This piston replacement kit is made of alloy material, strong and durable, has a long service life. Specification Item Type: Gasoline Piston Kit Material: Alloy Purpose: Replacement of 188F engine parts Applicable Model: 188F Piston Diameter: Approx. 88mm / 3.5in Piston Height: Approx. 78mm / 3.1in Pin Hole Diameter: Approx. 23mm / 0.9in Distance Between Pin and Upper: Approx. 25.5mm / 1in Package List 1 x Piston 2 x Circlip 1 x Pin 3 x Piston Ring