| Make | Model | Year |
|---|---|---|
| Buick | Series 40 | 1930 |
| Series 50 | 1930 | |
| Series 60 | 1930 | |
| Hotchkiss | Gregoire | 1950-1954 |
| Hudson | Model O | 1927-1928 |
| Model S | 1927-1928 | |
| Super Six | 1922-1926 | |
| Nash | Series 660 | 1931 |
| Series 870 | 1931 | |
| Series 960 | 1932 | |
| Series 970 | 1932 | |
| Standard | 1929 | |
| Pontiac | Model 401 | 1931 |
| Model 6-30 B | 1930 |
Industrial Nickel Spark Plug (502) by Champion®. Champion industrial and agricultural spark plugs are backed by global engineering from Federal-Mogul. Precious metals, FISS and Hot Lock designs allow us to provide a plug that Withstands today's high-temperature/high load service environments.
| Resistor Plug: No |
| Center Electrode Diameter: 0.076" |
| Center Electrode Material: Nickel |
| Electrical Terminal Type: Removable Nut |
| Gap: 0.023"-0.028" |
| Ground Electrode Material: Nickel Copper Alloy |
| Ground Electrode Quantity: 1 |
| Heat Range: 21 |
| Hex Size: 7/8" |
| Installed Height: 2.290" |
| Plug Type: D21 |
| Spark Plug Seat Style: Gasket |
| Taper Diameter: 0.340" |
| Thread Reach: 0.500" |
| Thread Size: 0.709" |
For over 110 years, Champion® has been a world leader in the manufacture of spark plugs for a wide range of cars, SUVs, trucks, racing, and marine applications. Using the latest technology, from iridium and precious metal technologies, to F.I.S.S. resistor (Fired In Suppressor Seal) technology and MLR (Metal alloy Low ohm Resistor) technology, the company develops, engineers, and manufactures spark plugs in a number of materials and designs. Champion also offers a variety of glow plugs, spark plug wires, and other ignition system specific wiring that meet the industry’s toughest standards.