68 - 72 Chevelle / G.M. "A" body 12 bolt posi rear end. Unit came out of a 71 Chevelle SS but will fit any 68 - 72 G.M. "A" body. Has 2.73 posi unit, great for highway driving if you are still rolling with a TH350 or TH400. Rear end has 2.73 posi, all bearing's and bushing's are in good condition. This is a bolt in and go 12 bolt posi rear end. $2,500 FIRM, FIRM, FIRM Also have a rebuilt, built TH400 and torque converter for $1500 Rear end is in Picacho, but I come to the valley a few time's a week and can haul it up there for a SERIOUS buyer. NOT hauling it up there for you to look at! If you wanna LOOK at it, put your truck in gear. The rear end will be here!!!!!