the same length as stock ones. NE1 have any luck ? I want to run copper core with #7 or #8 heat range. I figure the reach has to be at least 7/8 and no more the one inch. The thread reach on the stock spark plugs is 3/4 but the body is longer.
Mike
Follow Ups
Having a bitch of time finding copper core plugs that are - MikeH(Phoenix)00:26:34 01/03/01