Grass Mulching Kit for a 2020 54" John Deere X570 Riding Lawn Tractor. Will easily bolt onto the 54" Accel Deep mower deck (mower deck not included). Complete kit with all pieces, hardware and 3 blades. Excellent condition, only used for 1 month. The flap opens with a handle to convert back to a side discharge deck. Has owners manual and installation instructions. John Deere P/N BUC10706, paid over $200 new.