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#P222
Waterproof NGK spark plug resistor HT cover/cap.
Maximum heat resistance.
Maximum voltage resistance.
Black 14mm is suitable for 14mm plugs (2-stroke)
Black/Red 12mm is suitable for 12mm plugs (4-stroke)
For M4 thread spark plug tips (not SAE bullet)
NGK LB05F, LD05F-R, LD05F
Hi, both caps are 5000 ohm