New Arrival NGK Spark Plug – MAR8B-JDS

The NGK Spark Plug – MAR8B-JDS is a NGK motorcycle part or accessory for the application identified below. The confirmed fitment, construction, package and product reference details are gathered here to help prevent an incorrect purchase.

Before ordering, compare the exact part reference, dimensions, motorcycle model and model year with the component being replaced or upgraded.

• The MAR8B-JDS is a genuine NGK dual ground-electrode plug, an OE fitment on a number of large-capacity twins
• The twin-earth design spreads wear for a longer, more consistent service life
• Dual ground electrodes to share wear and maintain a stable spark
• Heat range 8 with a nickel centre electrode over a 98% pure copper core
• M10 x 1.0 thread with a 19mm reach and gasket seat
• 14mm hex and roughly 5k ohm resistor value
• Triple gasket sealing helps prevent combustion gas leakage
• Trivalent plating on the shell resists corrosion and seizing in alloy heads