2.These bellows are designed for the following MerCruiser applications: 165/170/3.7L/180/190/470/485/488 manifolds (1980 - 1989) Chevy 305/350/377 (1983 - up) Big block 454/502 (1981 - up) V6 229/262 (1983 - up)
3.100% Brand New With High Quality.Cooperated with local workshop, quality is guaranteed.
4.lf you have any question, please contact us. We will reply immediately.