K20R-U Standard Spark Plug
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Denso K20R-U Standard Spark Plug

Part No. 3122 Warranty Details  

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This standard spark plug features a U-groove design.
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Electrode Core Material:Copper
Electrode Tip Material:Ni
Ground Strap Quantity:1
Insulator Type:Purified Alumina
Manufacturer Heat Range:20
Spark Plug Reach:3/4 in
Spark Plug Seat Type:Gasket
Spark Plug Thread Size:14 mm
Tip Configuration:Ni
Wrench Diameter:5/8 in
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