DSI Rotor and Flywheel Puller Tool for the Polaris RZR 170 is a must-have for anyone who plans on doing any work on their RZR 170. This tool is the same as Polaris's flywheel puller tool at a fraction of the cost! This is the same tool as part number #PA-45153 - Polaris Flywheel Puller Tool and PA-49936 -Polaris Flywheel Adapter Tool from Polaris!It is a right-handed internal thread that is M27xP1.00. Deep enough to fit and sturdy enough to get the job done over and over. No longer will you have to send your case to get split by someone or rent an expensive tool!