Kraftwerks 14-21 Polaris RZR Supercharger 10 PSI Upgrade KitWant more power and speed for your rig, get the upgrade! We are proud to introduce 10 psi Pulley Upgrade Kit for 14 21 Polaris RZR Supercharger Kit. With this upgrade you will get 20+ crank horse power and 10+ lb ft torque to your already supercharged RZR. You will smoke all the competition! 180+ HP 125+ lb ft TQ @ 10 psi (Crank HP) Recommend Upgrades: 1000cc Injectors (159 17 1000) Aftermarket Head Studs 3 Bar MAP Sensor 2 or bigger choke on exhaust
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