1973-1974 GMC K25/K2500 Suburban 5.7L V8 2BBL. 1972-1973 GMC K25/K2500 Suburban 4.8L 6 Cyl. 1972-1973 GMC K25/K2500 Suburban 4.1L 6 Cyl. 1971-1973 GMC K25/K2500 Suburban 5.0L V8. Application specific, providing unsurpassed quality for a seal you can trust.
