DV8's JKBLJNT-01 is designed for rugged off-road use. DV8 uses SAE4140 chromoly steel studs and SAE1045 steel housings to make one of the toughest ball joints on the market. These ball joints are also greaseable which allows for standard maintenance and increased longevity. The grooves on the side of the housing are closer together resulting in superior resistance to turning that can occur and also helps makes the install easier. Details: SAE4140 and SAE1045 steel, Greaseable, 1-year limited Warranty, For Jeep JK Dana 44, Front and Rear.CatalogThis Part Fits: Year Make Model Submodel 2011 Jeep Wrangler 70th Anniversary 2016 Jeep Wrangler 75th Anniversary 2007-2017 Jeep Wrangler Rubicon 2007-2017 Jeep Wrangler Sahara 2010-2017 Jeep Wrangler Sport 2016 Jeep Wrangler Sport S 2011 Jeep Wrangler Unlimited 70th Anniversary 2016 Jeep Wrangler Unlimited 75th Anniversary 2007-2017 Jeep Wrangler Unlimited Rubicon 2007-2017 Jeep Wrangler Unlimited Sahara 2010-2017 Jeep Wrangler Unlimited Sport 2016 Jeep Wrangler Unlimited Sport S 2007-2010 Jeep Wrangler Unlimited X 2007-2010 Jeep Wrangler X 2018 Jeep Wrangler JK Rubicon 2018 Jeep Wrangler JK Sahara 2018 Jeep Wrangler JK Sport 2018 Jeep Wrangler JK Sport S 2018 Jeep Wrangler JK Unlimited Rubicon 2018 Jeep Wrangler JK Unlimited Sahara 2018 Jeep Wrangler JK Unlimited Sport 2018 Jeep Wrangler JK Unlimited Sport S