Copper Plus spark plug has a copper core center electrode that allows for accurate control of heat range, optimizing performance and longevity of the spark plugPatented SAC-9 semi-conductor resistor for maximum EMI and RFI suppressionPatented Ultraseal™ coated shell for rust preventionMade in the USA
Heat Range: 57
Model: Copper Plus
Model: RN57YC-C
Riding Style: Off-Road
Type: Resistor
Ground Electrode Shape: Standard
Center Electrode Projection: Non-Projected
Hex Size: 20.6 mm
Terminal Configuration: Solid Terminal
Units: Each
Center Electrode Type: Standard
Electrode Tip Material: Nickel Alloy
Ground Electrode Configuration: Single
Product Name: Spark Plug
Style: Copper Plus
Thread Reach: 19.1 mm
Weight: 0.14
Height: 0.86
Length: 3.74
Width: 0.94 
