Use a Subaru or Mitsubishi timing belt.
That's 15 months overdue on belt replacement as it's 105,000 or 105 months.
Most folks on this forum recommend a complete timing belt kit - belt, pulleys, and tensioner, and water pump. Since the timing belt relies on none of those failing to work properly.
The belt and lower cogged pulley (it's only $40 from Subaru) are the bare minimum, that pulley fails often enough that just replacing the belt doesn't make sense for only $40.
Get Subaru or AISIN timing kits or piece together the koyo, ntn...etc pulleys and tensioner and pump. eBay is a good resource for this as well.