1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 Buick Cadillac Lasalle Packard Chevrolet truck new Champion spark plugs # uy-6. These are copper core 10 mm spark plugs and pricing is for a box of 10 pieces
- listed as fitting
- 1941 Buick with 10 mm head
- 1938 1939 1940 1941 1942 1946 1947 1948 Cadillac 8 cylinder engines
- 1939 1940 LaSalle
- 1937 1938 1939 1940 1941 1942 1946 1947 1948 Packard all models
- 1941 1942 1943 1944 1945 1946 1947 1948 Chevrolet truck
