Glass Run Channel for 1968 thru 1972 Pontiac GTO , Tempest , Oldsmobile 442 , F85 , Buick GS and Special. This run weatherstrip is for the sedan style Post cars 2 door , 4 door and station wagons only (frame around side windows) Will work in front or rear doors. Left or Right Side. Note: These are 2 Run Channels at 8 Foot Length Each.