See picture of housing, make sure your ball joint has the boot groove before ordering!
All arms shipped before July 22nd, 2020 are the CLASSIC ball joint housings and need the classic ball joint boots.
JBA Max 90 Ball Joint Boots, Fits JBA upper a-arm ball joints from July 22 2020
JBA custom replacement ball joint boots. A ball joint's smoothness of operation and service life are very much affected by dirt, moisture, and other contaminants. For these reasons, JBA's ball joint dust boots are essential for protecting this important suspension component. See picture of ball joint housing for fitment