HiFlo Filtro HF171BRC High Performance Racing Oil Filter Glossy Black 141171 Go to amazon.com Related posts Top rc filtros FeatureReplaces the following Harley Davidson OEM Numbers: 63798-99; 63731-99; 63731-99A.Glossy Black DescriptionHF171BRC HiFlo Filtro RC High Performance Oil Filter in Glossy Black. Replaces the following Harley Davidson OEM Numbers: 63798-99; 63731-99; 63731-99A.