Heavy duty alloy ball joint for trucks, tractors and trailer
Housing,High strength zinc alloy;
Ball,bearing steel GCr15,equivalent to steel SAE 52100
Shank,alloy steel 40Cr;
Dust Cover,NBR rubber
Left hand thread,please add suffix'L',e.g.LHSA10L-RS.
Grease is seales in the boot,high wear resistance