For a service area where the housing runs newer - Lake Elsinore's 2002 median build year is the clearest example - the truck carries springs sized for lighter, standard-weight steel doors more often than the heavier wood or older insulated panel doors we still stock for, inland areas. We carry torsion springs in the sizes that match the common builder-grade door specs from the late 1990s through 2000s, standard safety cable, and photo-eye sensor units since those are a frequent failure point simply from age and dust, not design flaws. We keep basic opener logic boards and drive gears on hand for the chain and belt-drive units common to that era. What we don't carry on the truck: specialty insulated panel sets or custom-width doors ordered outside standard sizing - those get special-ordered, and that's a lead-time conversation we have up front, not something we promise same-day.