Spider Assembly updated version P90X and P190XUpdated P90X Spider Assembly for Polaris Ranger 1000 (2018+) This is the newly updated Spider Assembly from Polaris, engineered to address the durability concerns of previous generations. As the internal "heart" of the primary clutch, the spider is responsible for smooth engagement and consistent shifting. This revised design features wider rollers and a significantly more durable bushing architecture to withstand the constant cycling of the CVT