Amsoil rolled out a series of new motorcycle oil change kits. The HDCK and HDBK kits are compatible with Harley-Davidson motorcycles manufactured from 1999 through 2016. These kits include 4 quarts of Amsoil SAE 20W-50 Synthetic V-Twin motorcycle oil as well as one oil filter in chrome or black and one drain plug O-ring. For bikes manufactured from 2017 to the present, the HDMC and HDMB kits include 5 quarts of oil along with the filter and drain plug O-ring. Web: www.amsoil.com