Abstract: The light-weight parts play an important role in automobile refitting. This article will analyze and discuss the selection and analysis of the lightweight parts, the advantages of the lightweight parts to refit the automobile, and the development prospect of the lightweight parts, and compare the advantages and disadvantages of the new and old parts in the performance.

Key words: Lightweight; Auto parts; Automobile performance

摘要： 轻量化部件在汽车改装中发挥的巨大作用和充当的重要角色。文章将从汽车轻量化部件的选择与分析，轻 量化的部件改装汽车所具备的优势，以及轻量化汽车部件的发展前景进行分析论述，对比新旧部件在性能上的优劣。

关键词: 轻量化；汽车部件；汽车性能