Part no. RHK-0.4.02 Fitment: Suzuki RM 80 1986-2001 includes big wheel Suzuki RM 85 2002-2022 includes big wheel RHK Filters are designed and manufactured to increase airflow whilst ensuring the ultimate level of protection. RHK Filters consist of an outer layer of coarse open-pore foam which catches large dirt, grime and sand particles. The 2nd inner layer of fine open-pore foam aids in catching minute & finer particles whilst delivering maximum air flow.