Description Fitment: Polaris Drive Spring – Primary Clutch 2021 RZR XP/XP-4 Turbo All Models For units w/P90X-HD clutches All springs are within 5% tolerance of spec promoting consistency when changing to a different application. Most OEM use up to a 15% tolerance because it is cheaper to build. All springs are ISO 9001 certified. All springs are high chromium silicone / high tensile strength wire ensuring consistency of rate, poundage and repeat-ability. All springs color coded for reference only. Color is not representative of any OEM / aftermarket springs.
