Manufactured by Teraflex. The TeraFlex-tuned JK/JKU FOX Racing Shox 2.0 Performance Series IFP (Internal Floating Piston) Steering Stabilizer features an aircraft-grade 6061-T6 heat-treated aluminum shock body with impact cold forged body construction. The IFP provides controlled turning with a responsive feel, while the heat treated and hard chrome plated 5/8� diameter alloy steel shaft provides long lasting performance. FITS: � JK Wrangler (2-door) � JKU Wrangler Unlimited (4-door) SPECS: � LIFT HEIGHT: 0-6� INSTALL TIME: 0.5 Hours