Control Arm Shaft UPPER: 63-82 Corvette (ea)This link or shaft runs across the upper control am.. the rubber bushes push through each end and then the shaft is bolted to the frame. 2 used per car if both needed. Often this can come loose too so really keep it in the back of your mind when looking over the car at times.. that is firm.. that none of the wheel Alignment shims for instance have gone walkabout. This is a ONE SIDE ONLY.. brand new as shown getting hard to get in 2021 22 Fits 63 82