64-67 GM A-Body “A-BOX”™ Adjustable Upper Control Arm mount

General Motors 64-67 “A-Body” Adjustable/Indestructible Rear Control Arm Upper Cross Member!

Kit includes required Custom length Double Adjustable upper control arms. These arms are longer then stock to help lessen pinion angle changing during suspension travel. Now with Ten properly positioned holes for all the usable adjustment points you’ll ever need as well as a far more ridged upper arm mount, less flex means a better working suspension.

The A-Box can be used with stock springs and shocks or a coil over mounting kit.

Feel free to give us a call if you have any questions at all.

Detailed instructions included makes for easy installation by a qualified/experienced welder.

This 1st Generation A-Body A-Box fits 64-67 GM A-Body cars.

See our 2nd Gen A-Body A-Box listing for 68-72 A-Body cars.