Knurled Or Smooth: Which Ball Joint Is Right For You?
First and foremost, knurled ball joints are a last resort not a first or better option. They are only to be used on suspensions that have knuckle bores and/or housing end forgings that are so worn they can no longer properly accept a smooth-body ball joint. A knurled ball joint has grooves machined into its body that serve to fatten the body, allowing the unit to press into an enlarged...