2003 Polaris 3 PRO X Factory Service Manual, Page 141Get this manual
CLUTCHING High Performance Roller Helix explained
The Helix for the High Performance Roller is designated for the angle and length of the angle on the back side of the helixYou will see that the first number designates the steepest angleThe second number designates the lowest angle, and the last number is measurement of the length of the steepest angle