I have the Quadratec liners in the back they work well, fit great, and are 60 bucks I believe.
2012 Crush JK Rubicon. Teraflex 2.5" coil w/fox shocks and ATS, 1/2" front and 1" rear TF spacers. TF monster front and rear track bar, RK F/R lower arms, Ruff Stuff front upper. 315 75r16 duratracs. LOD armor lite mid w/Warn VR 8000. Lots of other goodies.