GM 1/4″ – 28 X 2″ Headlight Adjustment Assembly • Headlight Adjusting Screw Assemblies: Two assemblies are usually required for each vehicle headlight. One assembly controls the vertical aiming and the other controls the horizontal aiming.
- GM 1977 – On
- 1/4 – 28 x 2″
- Headlight Adjusting Screw & Nut Assemblies
- Green Nylon