STM Rage 4WCP Polaris PRO XP, XP-Turbo, Turbo S & RS1 Primary Clutch

 *Please contact us or make a note in notes section of your cart the application you will be using this in so we can communicate with STM on what you will be needing.* *DESIRED CAM ARM WEIGHT SET UP OR MACHINE MODIFICATIONS, SPECIFIC TIRE USED AND ELEVATION. IF UNSURE OF SET-UP LIST YEAR, MAKE, MODEL, TIRE SIZE, VEHICLE MODIFICATIONS AND RIDING STYLE -WHERE YOU RIDE AND OUR TECH'S WILL CHECK YOUR SET-UP.* *Let us know if you want a spring and which one and also what base weight.*What's Included?  STM Rage 4WCP Primary  STM Primary Spring None 810006 Red/Silver-Orange Primary Spring with .125 spring shim installed (2 1/4" load 96 lbs - 1 1/4" load 187 bs)) PATV21 Teal Primary Spring (2 1/2" load 40 lbs - 2 1/4" load 68 lbs - 1 1/4" load 200 lbs) PATV22 Bright Yellow Primary Spring (2 1/2" load 29 lbs - 2 1/4" load 75 lbs - 1 1/4" load 260 lbs) PATV1 Red (with 50ys cam arms only)Primary Spring (2 1/2" load 35 lbs - 1 1/4" load 140 lbs) PATV2 Orange Primary Spring (2 1/2" load 75 lbs -