The Kit Masters RA Kysor-Style Fan Clutch Seal and Friction Lining Kit keeps you Ready for the Road Ahead , allowing you to rebuild rear air K-22 Kysor-style fan clutches. This seal and lining kit is made from durable friction material along with exceptional O-rings. Ensure your engine stays cool on long-haul trips, providing the sealing you need for proper air flow with this heavy duty seal and lining kit. FleetPride is your First Click in Heavy Duty .