Check the listing for details. 64-79 GM Upper Suspension Control Arm Bushing Cross Shaft Large Lock Nuts 4pc UY. Condition: New. Listed at 14.03 USD. This listing is for a set of 4 lock nuts that attach to the upper A arm suspension cross shaft and hold the big washer to the bushing on the cross shaft. These bolts fit 64-72 GM A bodies such as GTO Lemans Tempest Chevelle Skylark GS Cutlass 442 F85 Malibu and 68-79 X bodies such as Nova Chevy II Ventura Omega, 74 GTO, and 67-79 Camaro and Firebird. These are very important nuts so be sure you get quality nuts to attach your cross shaft to your frame. You will get exactly what is pictured. These cross shaft nuts are a must for a proper restoration. If you need a different style of cross shaft nut or other hardware for your car please see my other listings or visit my store as I have more like this that are different sizes and styles. Do not go off of the compatibility chart as it may not be correct. Please look at the photos and be sure that the cross shaft nut you need looks like and measures like the ones listed. The original cross shaft nuts are always rusty, and often broken or lost when removed. Now you can get your vehicle back to original showroom standards with this new nut set. I am a seller of the products I use. These are the same set of nuts that I use on my award winning concourse restorations here at Midwest Muscle Car Specialties so buy with confidence. My parts are shipped fast and are not back ordered like others. If you see it on Ebay for sale than I have it in stock and ready to ship. No back orders or long wait times to receive your order here. If multiple purchases are made I will combine items to save shipping costs. I ship worldwide.