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Black Secondary Spring
There is no need to play with cables or reprogram your CDI to change the opening RPM of the valve
this handle provides an ergonomic grip designed for maximum leverage
Primary spring will give you optimized engagement at a lower RPM
***PLEASE NOTE*** These cams require re-shimming of your valves as the base circle is cut down to achieve more lift
Performance STAGE 2 Kit Patriot 850 SKU: 13-310-2 Category_Default Category/SLED/Polaris/AXYS 850 Black Secondary SpringFor 2019+ Polaris 850 models. Including the New 2021 & up Matryx models. Huge gains from low end to peak power. Stage 2 clutching helps belt life and drastically increases performance. The pipe is only available in ceramic due to tight chassis tolerances. Stage 2 adds 20 21 hp peak and 22 24 hp in the midrange. Clutch set up sheet for easy tuning. Fast and Easy to install Tuning Options: Torque Link Flash Device and License Send in your ECU to us for