spark plug LD Z4C

[billyboy]

would anyone happen to know which company makes or made these plugs? i cant seem to find one anywhere

[John1952]

Ive looked everywhere and I cant find one either billyboy

[billyboy]

ok......thanks for trying john. somebody definitely did make them though because i saw one yesrerday.bloody mystery!

[Keith.P]

http://www.zoombicycles.com/Need-Help-H ... mbers.html

[Vic]

It is a Chinese made plug

Z indicates 14mm thread, 11 mm reach

4 is the heat rating on a scale where 1 is hot and 9 is cold

C is copper cored electrode

http://www.sinosparkplugs.com/TypeExplanation.htm

http://www.sinosparkplugs.com/Replacementchart.htm

[billyboy]

you have helped me greatly guys.......many thanks!