MCS, engine oil maintenance kit. 20W50 Mineral 00-17 Softail; 99-17 Dyna (NU) 3 litres. Black filter (type 63798-99A / 63731-99A). Basic maintenance kit with oil filter, drain plug with O-ring, and enough engine oil to service your specific model as indicated. Used to service your motorcycle during a regular service interval or before storing it for the winter. Note: Comes with high quality genuine Vspec mineral engine oil for all stock and high horsepower engines requiring mineral engine oil. Note: Used oil may contain harmful acids and/or other contaminants. We therefore recommend changing the oil and filter before winter storage. Note: See your service manual for manufacturer recommended oil change intervals. NB as professional sellers we can issue a regular invoice if expressly request.