AA Billet Primary Clutch for RZR Pro R Polaris RZR Turbo R 4 Premium If you clutch the vehicle

If you clutch the vehicle for 6400-6700 RPM @ 45-50 MPH you'll gain 6-7 RWHP over stock

If your machine is not on the list

This intake does not use the factory vent for the clutch covers

Being off just 400 rpm can be a 5 hp difference

AA Billet Primary Clutch for RZR Pro R Polaris RZR Turbo R 4 Premium If you clutch the vehicleAA Billet Primary Clutch for Polaris RZR Pro R Prevent clutch failure with Aftermarket Assassins Full Billet Aluminum Primary Clutch. This billet clutch can be used with OEM spring and weights or can be upgraded with Aftermarket Assassins Stage 3 clutch kit. Features: Clutch is sold bare without weights or spring uses factory style spring & weights, AA clutch kit highly recommended This clutch uses factory style springs and weights for an easy swap