This is an STM Rage3P primary designed from billet components with a smooth lowend engagement that offeres improved torque. This primary comes with fully adjustible cam arms and comes pre setup for your riding needs.
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Ordered the Rage III for my 2014 RZR XP1K from Russ and have to say he has been top notch through the whole process! Called my to follow up on my order and get specific riding information from me. Packaged perfectly and the quality of the clutch is perfection. So good in fact I hated to put the cover over it. Came set up to my riding style/conditions but was assured by Russ if I ran/run into issues he is only an email or phone call away. Have the primary paired with a stock secondary as of now and it works great. Can already feel a differance in the clutch grabbing the belt. Waiting for my new secondary so I can replace the spring and helix with the STM set Russ sent out. Will write another review once I have it all togethet and do some runs but for now its a 10/10 for me. Good service goes a long way this day in age!