Cutting height adjustment repair kit for 400 and 500 series non AWD Automowers. 430X, 430XH, 450X, 450XH, 520, 520H, 550, 550H, 550 EPOS, 550H EPOS
 
Click HERE to see how to remove and install this part
 
Click HERE to see how to dissassemble and install the complete cutting system