RZRX300 Primary KWI The #4 helix angle shifts

The #4 helix angle shifts hard at lower speeds and holds RPMs in the power band at higher speeds — producing a smooth

Performance clutches are only as good as the components inside them

The Yellow HE Spring raises engagement RPMs

000+ miles of real-world field testing

Built off the AO Base Platform

RZRX300 Primary KWI The #4 helix angle shiftsUnleash the full potential of your Polaris RZR XP with the RZRX300 Primary by KWI. This fully assembled clutch system combines the dependability of an OEM RZR primary with high performance upgrades including the X300 Clutch Kit, RZRBlade 300 Billet Inner Sheave, and our Billet Overdrive Cover. Designed to deliver more power, torque, responsiveness, and cooler belt temps, the RZRX300 Primary is your all in one solution for serious off road performance.