STM Tuner Secondary | 2020 RZR PRO XP

*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.* *Let us know in the notes what spring you will want if you choose one and what angle you want if you choose one. See Below.*   Choose A Spring: KSS3 Black Spring 2 1/2" load 115 lbs - 1 1/4" load 220 lbs KSS9 Dark Green Spring 2 1/2" load 165 lbs - 1 1/4" load 280 lbs KSS8 Lime Green Spring 2 1/2" load 198 lbs - 1 1/4" load 322 lbs KSS12 Blue Spring 2 1/2" load 233 lbs - 1 1/4" load 337 lbs 210270-003 Orange/Purple Secondary 2 1/2" load 199 lbs - 1 1/4" load 370 lbs Spring Choose Your Angle:  33 Degree ATV Tuner Helix 35 Degree ATV Tuner Helix 35/40°P Gen 1 ATV Tuner Helix (Most Popular) 35/45ºP Gen1 ATV Helix 35/55ºP Gen1 ATV Helix 35/65ºP Gen1 ATV Helix 36º Reverse Rotation Helix 37/42ºP Gen1 ATV Helix 37/53 Degree ATV Tuner Helix 38/45º Gen1 ATV Helix 40 Degree ATV Tuner Helix 40/32ºP Gen1 ATV Helix 40/36 Degree AT