Just today I walked in Napa with an old plug, wich I was lucky that it still had the size clearly stamped, even after rusting up. There 1-45/64 and ordered me 8 in brass, ill have them tomorrow morning. I notice the kit at Cars.Inc has more plugs than needed..Thanks for the response.check out this link. hope it what your looking for. http://www.oldbuickparts.com/catalog/engine-c-76_77_380.html?page=2&sort=3a
Cars is short for "Cars inc" they are a buick parts mail order website. here is a link to there website, www.oldbuickparts.comWhat is "Cars" , and what for a Kit is it ?We here can order easy,safe,without any problems and quick from rockauto. Somebody of you knows a kit where this rare plug size is included ? I had heard from a chrysler kit where its included,had ordered it, AND ? it wasnt.It would be nice to know where to get this easily.