REPLACES / OEM PART#(S):STIHL4180-030-1800 PACKAGE INCLUDES: --- 1 X CAM SHAFT / wheel/ gear THE PICTURES CAN TELL MORE THEN WE CAN ,WHAT YOU SEE IS WHAT YOU WILL RECEIVE ,PLEASE MAKE SURE IT CAN FIT YOUR ENGINE BEFOR YOU BUYING ON IT. Original Cam gear as followings Aftermarket...