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or any local E85 fuel options with a MINIMUM ethanol rating of E70
Heat treated
the OEM girdle was reversed engineered with structural material added to all the proper places
and get your rpm's in the peak power whether you're riding the street
WSRD Spec MAXXX STM Tuner Secondary | Polaris RZR Pro R JRR or any local E85 fuelIntroducing 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