belt length

[Snowyone]

  My question for the day is the option for different belt lengths.  Picked up a Primo belt drive with the pro clutch for my 53 Pan but find the belt too short.  It's the 8mm by 1 1/2" belt.  Got the tranny slid forward as far as I can and even if I notch the holes it isnt going to make it.  So question is do they make longer belts?  Sure would like to use it for the clutch and slowing down oil spots.