QA1 Performance 11/16″ Thread Tie Rod End Sleeves for most 65-78 C-Bodys including the 74-75 Imperials. Can be used only on the 65’s that have the Long Tie Rod End Sleeve which was introduced on all 65’s Built after 3/1/65. If you have the Shorter Sleeve and Longer Tie Rod Ends, then you will need to change over to the Shorter Tie Rod Ends, our Part #’s FS0051/FS0051A or FS0052/FS0052A, to use these Long Sleeves. Can also be used on the A, B & E-Bodys as Heavy Duty Unit’s if you use the 11/16″ Tie Rod Ends mentioned in this Listing. 2 required per Vehicle. Sold in Pairs only.