Description : Yamaha : Piston+Rings Set (OS 0.50) Product Price = $36.99 Dimension : Diameter of the piston = 52.50 mm Diameter of the piston pin = 14.00 mm This item is "a reproduction aftermarket" with a good shape high quality. Condition : Brand New (Piston Rings made in Japan) Can fit for models : - DT100 (1976 / 1977 / 1978 / 1979 / 1980 / 1981) - MX100 (1979 / 1980 / 1981 / 1982 / 1983) Payment : Accept payment by PayPal only. Please payment within 7 days. The Shipping Handling : Handling time to ship the package 2-3 days after received payment Expidited Shipping (Express Delivery) take about 3-10 days to arrive. Economy Shipping (Registered Airmail) take about 4-8 weeks to arrive. ** Shipping charges for EXPRESS may increase for address is in "Remote Areas Delivery". ** If you buy more than 1 pc or several items in my store "We can combine shpping cost" for you. Return Policy : If you don't satisfied with the product for any reason, please contact us for return it within 7 days after receive your item. Suggestion : Please see all photos that show detail of this item. If you have any question, please contact us before purchase. :::::::::: THANK YOU FOR VISIT MY STORE :::::::::