Coming soon to all of Pro-Line’s Short Course tires – Soft SC Closed Cell Inserts! 

 After extensive testing with Pro Short Course drivers like Ryan Cavalieri, we found that a softer insert is desirable in racing conditions.  Like all of Pro-Line’s closed cell foam, this insert is ultra-durable, water-proof and shaped to exactly match the profile of the tires.  This is just one more way that Pro-Line is Racing to Bring You the Best!