[Installation] Our products are 100% brand new, easy to install and no damage. Certification reference OEM number: 42395076. [Compatible]The original standard, directly replace the old or broken,you can directly replace your old and broken one.Widely used in most GY6 125cc, 150cc, 152 QMI 157QMJ, Japanese and Chinese motorcycle all-terrain vehicles, karting, quad bikes, motorcycles. [Perfect material] This product is made of high-strength rubber and is durable. [Package Included]Our ship package includes 4 * oil seal,please check the correct quantity before you receive the ships. [Warranty]Buy with confidence! We offer the 365-Day warranty and lifetime support. If you have any question on use, kindly contact us at any time directly, we will solve the problem for you within 24 hours on weekdays.