NGK BKR7E-11 / BKR7E11 / 1283 Standard Spark Plug Replaces FR5DCX FR6DCX OE080 RC7YC4 K20PR-U11 (1283 ) This is the workhorse, the plug that is at the heart of smooth-running engines around the world. OEM quality Triple-gasket sealing process Consistent performance Plug of choice in millions of vehicles BOX DIMENSIONSHeight (mm): 85 Width (mm): 24 Length (mm): 22 If you are unsure as to whether this is the correct part for your vehicle, please don't hesitate to contact us. Alternatively please use the cross reference table above.