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Improved Fuel Efficiency, Lower Emissions, Quicker Starts.

Fine platinum tip reduces required voltage
Extremely durable under high heat
Trivalent Metal Plating – superior anti-corrosion and anti-seizing properties
Superior anti-fouling characteristics
Faster starts and quicker acceleration
Better fuel economy and lower emissions

Spark Plug Type Performance Differences

Center Electrode Core Material Copper Core
Center Electrode Tip Material Platinum
Gap Size 0.06 in
Ground Electrode Quantity 1
Hex Size 5/8″
Insulator Height ISO
Manufacturer Heat Range 5
Additional Info 5K Ohm
Seat Type Tapered
Reach 17.5mm
Thread Diameter 14 MM
Ground Electrode Tip Design Trapezoid
Ground Configuration Standard
Ground Electrode Core Material Nickel Core
Alternate/OEM Part Number(s): TR551GP


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