79-81 CB400A / 75-77 CB400F / 80 CM400 Indicator Cover w Gasket & Screws - Red ~ Honda OEM 33402-268-671
$5.56$6.95
The plug cap connects your ignition lead to the spark plug and usually carries a resistor that suppresses interference. A cracked or high-resistance cap causes misfires, particularly in damp weather, and a weak spark at the plug. A fresh cap restores a clean, reliable connection.
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