Here is a slightly used set of Speedway tublar upper control arms,and Afco upper arm mounts.
The cross shaft bolt pattern is 6" on the control arms and also 6: on the upper arm mounts.
The centerline from the cross shaft to the balljoint is 8 3/4".
These should fit on 1955 to 1972 GM cars like the 55 chevy or 64 to 72 chevelles as well as other GM A bodies.
The Speedway part# for the LH side is 917-200025 made of steel.
The Speedway part# for the RH side is 917-200035 made of steel.
The Speedway part# for the Afco upper arm mounts 106-20080.
These arms also have the balljoints already installed and have been used very little.
The price includes everything listed.
Email or call and leave a message at 785-425-6222 and I will get back to you as soon as I can.