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 |
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(14mm) |
(18mm) |
(7/8" - 18) |
(22mm) |
| These are the only tools that will really clean the carbon and other debris that accumulates in the roots of the spark plug port thread. Most importantly, these taps clean all the threads in the port from the spark plug seat to the fire deck. | |||
Full Bottom Tap Recommendations For Specific Engines
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