I've been searching for a shop that doesn't charge and arm and a leg for this service. Bay4 motorsports in Tewksbury MA was by far the highest. Was quoted 1 1/2 hours at $78 an hour for each. Several others ranged from $54-$90 each. I called Naults Windham Honda in southern NH and was told $35 each. Dropped it off at 3:15 and was done by 3:50. Great service and good price. Hopefully this saves someone all the time I spent searching. If I felt more confident I would have tried it myself