Hope Im not breaking any rules, but I purchased an OPEN socket for our strut mount bolt so we can use the allen key to torque the bolt.

TOOL Page (¯`·.¸(¯`·.¸ ZDMAK SPECIAL TOOL STORE ¸.·´¯)¸.·´¯)

or type in "21mm socket" in the "search" location and it should pop up.

I ended up purchasing the "combo" because they didnt have the socket but itself. I got the socket and the allen key combo.

Hope this was useful.

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2005 4.8is. Blue ext, white int.