If anyone has a 6hp flathead and a micrometer, if you could measure the width of each ring I need to compare them to a H70 Tec rings...I can't find any .010 h70 rings and it looks as though the Briggs has the same bore 2 3/4" which the rings can still be found... There are a few parts that cross over between the Briggs and Tec, hopefully these are one of them..