1977-1987 Pontiac Grand Prix Extension Housing Seal Kit - National SX-JJJB

National Extension Housing Seal Kit — automatic transmission service kit designed for Pontiac Grand Prix models from 1977 through 1987. New direct-replacement kit (Manufacturer Part Number: SX-JJJB 1987 1986 1985 1984 1983 1982) that lists interchange references including Timken, SKF, C280, VEMO, and King 51-29. Sold as a single kit. Made in the United States.