Specialized ATV, LLC » Polaris Your Destination for Quality Polaris Parts Shop Parts Shop Browse through our selection of Polaris Parts for your every need. DS18 HYDRO RY-KIT4.HDStore/DS18 Audio$119.95In stock Add More Add to BagGo to CheckoutProduct DetailsRyder 4-GA Amplifier Installation Kit for Harley Davidson, Powersports and MarineShow MoreSave this product for later Favorite Favorited View FavoritesShare this product with your friendsShareSharePin itDS18 HYDRO RY-KIT4.HDStore/DS18 AudioYou May Also LikeDS18 HYDRO INF-250DS18 HYDRO INF-250$999.95DS18 HYDRO TPC10DS18 HYDRO TPC10$66.95DS18 HYDRO JVOCEDS18 HYDRO JVOCE$459.95DS18 HYDRO BT-TWODS18 HYDRO BT-TWO$52.95DS18 HYDRO NXL-10MDS18 HYDRO NXL-10M$369.95