At this point I believe they are all imports from one source or another. I wouldn't hesitate to give the Italian versions a go. Those are for the 4-1/4" bore engines.
Ok I will put them in I payed 13.73 for them thats how long the guy had them on his shelf. They go in an old caterpillar 12 7t grader that D4600 sounds great and the grader works like new [attachment=51931]IMG_3571.jpg[/attachment]![]()