Spark Plug Champion L77JC4

DescriptionSpark Plug Champion L77JC4Seat Type: FlatHex size inch: 0.813Hex size mm: 20.650Thread size inch: 0.551Thread size mm: 14.000Thread reach inch: 0.5Taper diameter inch: 0.25Installed height inch: 2.24Gap inch: 0.030Gap mm: 0.76Center Electrode Diameter inch: 0.1Center Electrode material: Nickel Copper AlloyGround Electrode material: Nickel Copper AlloyResistor plug: NoReference to:Mercury: 896329821Johnson/Evinrude/OMC: 509927 502194 386941Pricing is per unit.The references that are listed here are trademarks that apply to the respective trademark owners. The references are used only for a reference purpose. Our product is compatible with these reference numbers. Please note that our product is an aftermarket product (non-OEM), unless otherwise stated.