The ultimate in the evolution of spark plug technology and performance from the industry leaderThe iridium electrode is 25% smaller than a platinum electrode, and it's just 1/4 the size of a conventional nickel electrodeUltra-small diameter center electrode reduces voltage requirement and extends ignition system lifeNew metal shell plating has enhanced anti-corrosion qualities
Electrode Tip Material: Iridium
Model: R0409B-8
Product Name: Spark Plug
Style: Iridium Racing
Electrical Resistance: 5k Ohms
Ground Electrode Configuration: Single
Heat Range: 8
Type: Resistor
Center Electrode Projection: Non-Projected
Center Electrode Type: Fine Wire
Spark Gap: 0.028"
Units: Each
Ground Electrode Shape: Taper Cut
Hex Size: 16 mm
Riding Style: Off-Road
Spark Gap: 0.7 mm
Terminal Configuration: Threaded Stud
Thread Reach: 19.1 mm
Weight: 0.09
Height: 0.86
Length: 3.42
Width: 0.94 
