Originally Posted by wmsburghhr

The Moog K750012 are the shorter type (approx 10 inches) some HHR have some close to 12 inches long so measure yours before buying. I just replaced mine a week ago and had no big problems. The top nut came right off with my impact gun. Bottom shaft spun but you can grab the inside of the stud with an open end wrench or vise gripes. right side is same a left. Top and bottom nuts are 18MM (FYI)