1. type: valve oil seal, wiht one or two spring 2. many models: CG125, JH70, GY6,AX100, ... oil sealModelCG125, CD70,etc.Regular colorBrown, green, blue,etc.Oil seal MaterialNBR, FKM, etc.Spring materialStainless steelSpring numberOne or two pieces ... yours requirementOEM serviceAvailableFeaturesGood sealing, durablePackingbag, blister card , or as required Valve oil seal for motorcycle