Test Box- Prop Sync Nevitt Aircraft Inc. » Products Page » Product Category » Aircraft Tools » Test Box- Prop Sync Prop Sync Test Box Price: $0.00 Shipping:$0.00 Updating cart... By Dallas Flora | August 10, 2012 | ← Citation 360 Flap Actuator Bracket Stall Identification Test Box P/N CH-ENG-85 →