HiFlo Filtro HF171CRC High Performance Racing Oil Filter Chrome 141271 Go to amazon.com Related posts Top rc filtros FeatureReplaces the following Harley Davidson OEM Numbers: 63798-99; 63731-99; 63731-99AChrome DescriptionHF171CRC HiFlo Filtro RC High Performance Oil Filter in Chrome. Replaces the following Harley Davidson OEM Numbers: 63798-99; 63731-99; 63731-99A.