Super Box 1 Fits 2003 to 2006 TJ Wrangler, Rubicon and Unlimited;16:1 ratio;Ultimate in bolt-on power steering performance;Features the largest piston available;Special spool valve to increase turning force;Combined with AGR super pump provides maximum available turning force JEEP WRANGLER (TJ) 65TH ANNIVERSARY EDITION RUBICON SAHARA SE SPORT X 2003 2004 2005 2006 2.4L Power-Tech (148) 4L Power Tech (242) GAS AGR AGR Super Box 1 - 228251 228251 Steering Box