Piston Ring Ss80 Motor Engine 68.5 mm Chromium Plating Phosphoric Treatment

Hefei Sunber Autoparts Co., Ltd is a professional export company of auto parts which including piston rings,pistons,liners etc. We have our own plants for piston rings, piston,liners etc. SS80 piston ring contains 3 piston rings which includs TOP ring,2nd ring and the oil ring.The diameter of SS80 is 68.5 mm for STD size.The oversize of it is updated accordingly.For the surface treatment,TOP ring and oil ring is Chromium Plating and Phosphoric treatment. 2nd ring is Phosphoric treatment.The height of TOP and 2nd ring is 1.5 mm and oil ring is 2.8 mm./* January 22, 2024 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1