Fits 2007 To Present JK Wrangler Unlimited And Rubicon Unlimited4-Door ModelsRear Drive Shaft1314 Series U-JointWorks With Part #Re1805 Flange Adapter Spicer Drive Shafts And Components Are As Good As They Get. This Drive Shaft Is Compatible With 1801/1807 Slip Yoke Eliminators. Measurements Are Taken Center To Center On The U-Joint With The Slip Stub At The Center Of Its Travel. Measure Your Vehicle On The Ground In The Running Position To Get Correct Length.