Description
If you’re running a stock car in IMCA competition or maintaining a 1978-87 GM Metric vehicle, suspension geometry is non-negotiable. These IMCA Spec upper control arms bolt directly to your stock mounts with greaseable bushings and bolt-in ball joints, eliminating guesswork and downtime. Built to race-ready specifications, they deliver the precision and durability required for consistent on-track performance.
- IMCA-approved specification
- Fits 1978-87 GM Metric
- Steel cross shafts
- Greaseable steel bushings
- Bolt-in ball joints
- Right arm: 8 inches
- Left arm: 8.5 inches
- Mount spacing: 6-7/8″
- Direct bolt-on installation
- Easy maintenance design






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