Brand-new RC27 Reproduction Radiator Cap for 1984-1987 Buick Grand National, Turbo Regal, and 1987 GNX.
Although this cap is not a"perfect" reproduction of the factory original RC27 radiator cap, it is the closest and most correct new replacement radiator cap available.
This reproduction cap features:
All-silver embossed stainless steel cap as original
No turning ears as original
15 lb. pressure rating as original