24-RV91MC - Champion Spark Plug (942M)

Plug Type RV91MC

Seat Type Tapered

Hex Size (Inch) 0.625

Hex Size (MM) 15.880

Thread Size (Inch) 0.551

Thread Size (MM) 14.000

Thread Reach (Inch) 0.441

Taper Diameter (Inch) 0.31

Installed Height (Inch) 2.02

Insulator Projection (Inch) 0.12

Gap (Inch) 0.032-0.038

Gap (MM) 0.81-0.97

Center Electrode Diameter (Inch) 0.1

Center Electrode Material Nickel Copper Alloy

Ground Electrode Material Nickel Copper Alloy

Ground Electrode Quantity 1

Classification Champion Copper Plus Small Engine

Resistor Plug Yes

Resistor Type SAC-9

Manufacturer Heat Range 91

Electrical Terminal Type Non-Removable Nut