NGK 4129 - Possible spark plugs for
Details about NGK 4129:
- Threaddiameter: 14.0 mm
- Threadreach: 19 mm
- Hexsize: 20.8 mm
Alternative spark plugs for NGK 4129:
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Applications of NGK 4129
| Brand | Model | Engine size | HP | KW | Year | Engine | # of cyl | Spark plug gap |
|---|---|---|---|---|---|---|---|---|
| B.S.A. | C10 Alu Head | 250 | 1938 - 1953 | 1 | 0.5 | |||
| B.S.A. | M20 Alu Head | 496 | 1937 - 1955 | 2 | 0.5 | |||
| B.S.A. | M21 Alu Head | 591 | 1937 - 1963 | 2 | 0.5 | |||
| B.S.A. | M21 Alu Head | 591 | 1937 - 1963 | 2 | 0.5 | |||
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SPARK PLUG CONVERTER
The Spark Plug Cross references are for general reference only. Check for correct application and spec/measurements. Any use of this cross reference is done at the installers risk.
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