Features include high alumina ceramics for improved heat dissipation and electrical insulation, deep-seated copper core for a wider heat range and a nickel alloy tip for longer lifeReinforced ground electrode
Model: R6918C-9
Product Name: Spark Plug
Riding Style: Watercraft
Style: Platinum
Type: Resistor
Center Electrode Type: Standard
Electrode Tip Material: Gold Palladium
Heat Range: 9
Thread Reach: 19.1 mm
Terminal Configuration: Threaded Stud
Units: Each
Weight: 0.13
Height: 0.7
Length: 3.5
Width: 0.7 
