457 balance shaft bushing, dual metal composite bush, copper thickness 0.20 0.05mm, than the market common copper liner thickness 0.15mm around, than the common market products height increased 0.7cm, with balance shaft has a larger contact area and improve the product life; the appearance of the products eye, price excellent. For customers: auto repair market, a higher value on the performance of the product. Product parameters: Phi 131* phi 121*90 marketing service hotline: 0719-8310818