Depends on your definition of inexpensive.
Klaus at tophydraulicsinc.com in Oregon will do a complete 5 cylinder and 2 lock rebuild for around $750.
That's WAY cheap compared to dealer prices for new cylinders that would still have the inferior OEM seals.

Full set of 7 Crossfire Cylinders to be rebuilt for less than the price of 6 - send in your cylinders first - Top Hydraulics, Inc