For 1955-1959 GMC FM350 Engine Coolant Outlet Gasket Fel-Pro 1956 1957 1958

1955 GMC FM350 Engine: 5.3L V8;. 1956 GMC FM350 Engine: 5.3L V8;. 1957 GMC FM350 Engine: 6.1L V8; with Hydraulic Brake System;. 1958 GMC FM350 Engine: 6.1L V8; with Hydraulic Brake System;. 1959 GMC FM350 Engine: 6.1L V8; with Hydraulic Brake System;.