Expansion Plug For 1968-1969, 1973-1974 GMC K25/K2500 Pickup X944SY

1973-1974 GMC K25/K2500 Pickup 7.4L V8. 1968-1969 GMC K25/K2500 Pickup 6.5L V8. Warranty Coverage Policy. Constructed to strict engineering quality standards. Constructed from high quality steel, copper, brass, or rubber.