Seller notes

New vintage stock Champion brand spark plug Part number 502 D21 Set of 6 new spark plugs Based on my research these should fit but are not limited to: Buick Series 50 (1930) Buick Series 60 (1930) Buick Series 40 (1930) Hotchkiss Gregoire (1950-1954) Pontiac Model 6-30 B (1930) Nash Standard (1929) Hudson Super Six (1922-1926) Nash Series 870 (1931) Pontiac Model 401 (1931) Hudson Model S (1927-1928) Hudson Model O (1927-1928) Nash Series 660 (1931) Nash Series 960 (1932) Nash Series 970 (1932) ...

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