GM Metric Stock Car Racing Upper Control Arms w/Ball Joint Kit
Tubular Control Arm Style, 8.50" Mount Center to Ball Joint Center, Chromoly
Build Your KitYou're almost there! This kit has an option or two for you to select. Let us know which options you want for your new kit.
- (1) Speedway Left Side Chrome Moly Metric Upper Control Arm-Oval Track
- (1) Speedway Right Side Chrome Moly Metric Upper Control Arm-Oval Track
- (2) Speedway 1970-02 GM K5208 Style Upper Ball Joint
Speedway Side Chrome Moly Metric Upper Control Arm-Oval Track
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 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.
- 4130 chromoly steel construction
- Aluminum 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"
- Control Arm Style: Tubular
- Mount Center to Ball Joint Center: 8.50"
- Mounting Bolt Center to Center: 6.875"
- Material Type: Chromoly
- Bushing Material: Steel
- Ball Joint Type: Bolt-in
- Tube O.D.: 1.000"
- Shaft Diameter: .726"
Speedway 1970-02 GM K5208 Style Upper Ball Joint
These are factory replacement upper ball joints with OEM geometry. The upper bolt-in ball joint fits stock upper arms and our Metric tubular arms designed for racing use. For a 1/2" raised pivot point upper, use 106-200322LF.
- Ball Joint Type: Bolt-in
- Degree of Taper: 10 degree
- Shank Length: 2.40"
- Mounting Thread Length: 0.96"
- Material Type: Steel
- Hardware Included: Yes
- Overall Height: 3.25"
- Notes: This ball joint is equivalent to Moog K5208
- Position: Upper
- Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
What's In The Kit
Speedway Right Side Chrome Moly Metric Upper Control Arm-Oval TrackPart # 91031133-RQty x 1
Speedway Left Side Chrome Moly Metric Upper Control Arm-Oval TrackPart # 91031133-LQty x 1
Speedway 1970-02 GM K5208 Style Upper Ball JointPart # 91720045Qty x 2
More Like This
IMCA Hobby Stock Upper A-Arm Kit
IMCA Spec Stock Car Upper Left & Right Control Arm Kit
IMCA Spec GM Metric Stock Car Racing Upper Control Arms, Alum. Cross
GM Metric Stock Car Racing Upper Control Arms, Steel Cross Shaft
GM Metric Stock Car Racing Upper Control Arms, LH, Screw In Ball Joint
Chromoly Upper Control Arm-Steel Cross Shaft Kit
IMCA Spec Stock Car Upper Control Arm Aluminum Cross Shaft Kit
GM Metric Stock Car Racing Upper Control Arms, Aluminum Cross Shaft
GM Metric Stock Car Racing Upper Control Arms, RH, Screw In Ball Joint
GM Metric Stock Car Racing Upper Control Arm w/ Ball Joint, Pair
Q & A
Learn about Speedway Motor's Fully Assembled Rear Control Arm Kit and how it saves time and hassle. In this video, Joe and Kyle explain the benefits of this new product.
Learn the proper method of blocking a race car in this step-by-step procedure to follow when performing this task. Learn why consistency is important and a few "not-to-do's".
Darrian explains the process of Shelby/Arning drop changes and how that affects your car.
Project Chevelle undergoes front suspension upgrades to minimize feeling every dip and bump in the road. Josh S. walks through the install and quick overview of the tubular control arms and G comp spindles.
Learn how replace lower and upper rear control arms. Read up on racer Steve's A-body control arm replacement and the bushings included kit he recommends.
Have a 1970-1994 GM A- or X-body in need of some new lower control arms? Take a look at what Speedway Motors' employee Steve L. has to say about our lower control arms!
Whether you are looking to change the look of your truck, get rid of your tired rusty springs, or upgrade the ride quality of your truck, Speedway Motors has you covered with stock height and lowered spring options.