1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 Chevrolet Ford truck various marine applications NOS autolite spark plugs part # TT10 is the extreme servicd spark pluf and size is 7/8 inch x 18 threads pricing is for a box of 10 pieces
- listed as fitting
- 1927 1928 Chevrolet truck
- 1927 Fargo Silver Dome
- 1938 thru 1942 Ford AA BB series trucks
- 1929 Pontiac marine
- 1927 thru 1935 Gray Marine some models
- 1936 thru 1942 Chrysler marine "imperial 6" with downdraft carburetor
- 1935 thru 1942 Chris Craft a-120 with aluminum head and some other inboard marine engines
