GM Metric Stock Car Racing Upper Control Arm w/ Ball Joint, Pair

These oval track racing A-arms are 40% stronger than the stock stamped steel arms. The A-arms bolt to your stock mounts and accept the included stock-style ball joints. These control arms have a 1/4" thick steel plate where the ball joints bolt in. Fits 1978-87 mid-size GM Metric chassis. The ball joints are factory replacement upper ball joints with OEM geometry. Kit Includes: Left and Right GM Metric Stock Car Racing Upper Control Arms Steel construction 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 Available for right (passenger side) or left (drivers side) Right arm length is 8" Left arm length is 8.5" Use with mount plate 916-34312. (2) 1970-02 GM K5208 Style Upper Ball Joints Bolt-in 10° taper Equivalent to Moog K5208. Notes When using on a drag race or S-10 application, consider using RH arm for both sides as both will be 8" long; arm can just be flipped over for LH side (RH arm is 8"). Please leave a comment requesting two RH arms when placing your order if you would like to do this.