This is a new very high quality and very correct small parts kit for the T-90 transmission. This is the transmission found stock in the CJ2A, Cj3A, M38, M38A1, M170, CJ3B, and early CJ5. This is everything small parts wise you need in rebuilding your transmission. This includes the blocking rings as well.Don’t miss this high quality US MADE kit! Why take a chance with a cheep China / India made kit just because it is cheaper. You get what you pay for.