IMCA Spec Stock Car Upper Left & Right Control Arm Kit

Kit Includes: (1) Speedway IMCA Spec Stock Car Right Upper Control Arm, Mid-Size GM Metric Only. (1) Speedway IMCA Spec Stock Car Left Upper Control Arm, Mid-Size GM Metric Only. Speedway IMCA Spec Stock Car Upper Control Arm, Mid-Size GM Metric Only IMCA rules allow the Stock Car class to use spec tubular upper control arms. The stock stamped steel arms are getting hard to find and don't have the strength of these tubular arms. These A-arms bolt to your stock mounts and accept stock ball joints. These control arms have a 1/4" thick steel plate where the ball joint bolts in. Fits 1978-87 mid-size GM Metric chassis. Comes with both left and right upper control arms. Chromoly steel construction. 1" tube diameter, 0.092 wall. Steel cross shaft. Bolts to stock 1978-87 Metric mounts (6-7/8" center-to-center) Greaseable steel bushings. Accepts stock K5208 style Metric ball joints. IMCA Approved stickers. Right arm length is 8" Left arm length is 8.5" Control Arm Style: Tubular. Mounting Bolt Center to Center: 6.875" Overall Width: 12.25" Ball Joint Type: Bolt-in. Shaft Diameter: 1.25"