Originally Posted by Ron_M
Did not know that, thank you up

I was at my local O'Rielly's last night to get some 51085's. Of the three on the shelf, 2 were the Wix and the 3rd was an M-H with the labels shown the picture above.




Save the Wix for any application where you need to use a cap wrench (like my 300M, only way to get on motor). The traditional wrenches wont mate up to the M-H as it has all those extra fine splines and diameter is a hair smaller.