Replacement ball joints

[do-work-son]

I got a set of eyeball front a arms and the ball joints are worn out and boots are cracked .. I looked into getting replacement ones from eye ball and they don't have grease fitting I know there 16 mm and on stock spindle and most of the aftermarket ball joints say 5/8 Do most a arms use the same ball joint any body have eyeball a arm know of a good replacement just wanna avoid ordering wrong parts and waisting money thanks