For the steel sectional doors common to this build era, that means torsion springs in the sizes that match a 16x7 double door, extension springs for the narrower single-car builds some of the older lots still have, lift cables, nylon and steel rollers, and openers to replace units that have simply worn past the point of repair. Track sections and hinges round it out, since the original aluminum track on a 30-year-old door is often bent at the bottom from years of a car bumper nudging it, not from any single accident.
The honest limit here: we don't carry every discontinued panel profile or color that went up during that building run. If one section of a steel door is dented and the rest is sound, matching the exact panel can mean a special order and a wait, not a same-visit fix. In that case we'll tell you straight whether patching with a close-enough panel makes sense or whether the door's old enough that replacing the whole section, or the whole door, is the better use of your money.