For 1968-1974 GMC C25/C2500 Suburban Expansion Plug Kit 16483GNMS 1969 1970 1971

1969-1972, 1974 GMC C25/C2500 Suburban 5.7L V8. 1968 GMC C25/C2500 Suburban 5.3L V8. 1968 GMC C25/C2500 Suburban 5.4L V8. 1968-1973 GMC C25/C2500 Suburban 5.0L V8. Notes: Engine Expansion Plug Kit -- Brass - Carded.