WSRD Spec MAXXX STM Tuner Secondary | Polaris RZR Pro R JRR When selecting the tune above

When selecting the tune above

Heat treated

in sizes from small to 4XL

and get your rpm's in the peak power whether you're riding the street

DESIGNED USING THE KWI AOP-1 CLUTCH WEIGHTS HOWEVER IT WILL ACCEPT MOST PDRIVE STYLE CAM ARMS ON THE MARKET IF YOU WANT TO EXPERIMENT

WSRD Spec MAXXX STM Tuner Secondary | Polaris RZR Pro R JRR When selecting the tune aboveIntroducing the STM Tuner Secondary for the new 2022+ Polaris RZR Pro R models! This secondary features an all billet construction and is capable of using compression or torsion springs with different spring rates, while featuring the STM style GEN1 style helixes. The Tuner Secondary fits under the stock clutch housing and works with the stock primary or the STM Rage 4 or Rage 6 Primary. Best results are acquired when running both the STM primary and