NGK R0373A-9 spark plugs are for racing and they are engineered to withstand the harshest engine conditions. Perfect for Yamaha R-3 motorcycles with racing gas.
Special Insulator Nose Configurations Improve Throttle Response.These NGK R0373A-9 Spark plugs will enhance your throttle response.
Electrode materials – Many use precious metals such as platinum or gold/palladium for greater durability and lower voltage requirements.
Electrode configurations – Fine-wire center electrodes provide better sparking and enhanced ignitability. Fine-wire ground electrodes further improve the ignitability of the plug.
Insulator configurations – Special configurations are used for the insulator noses to improve throttle response.Product Description
Corrugated Ribs Prevent Flashover
Pure Alumina Silicate Ceramic Insulator, Provides Superior Strength and Better Heat Transfer
Copper Core Aids in Heat Removal
Triple Seals Prevent Leakage
NGK R0373A-9 Spark plug Specs:
Thread Size: 10mm
Seat Type: Gasket
Resistor Value: 5K Ohm
Reach: 19.0mm (3/4″)
Hex Size: 5/8″ (16mm)
Terminal Type: Threaded Stud
Gap: .024″ (0.6mm)
Type: Fine Wire
Warranty: 1 Year
Heat Range: 9