G/2 JK 4.88 Performance Ring and Pinion Kit Fits 2007 to 2014 JK Wrangler and Wrangler Unlimited;Does not fit Rubicon models;2 and 4-door models;With Dana 30 front axle and Dana 44 rear axle;Includes G/2 front and rear ring and pinions;Includes G/2 front and rear master installation kits;Front and/or rear carriers may be required 4Wheel Drive Hardware 4WD G/2 JK 4.88 Performance Ring and Pinion Kit - 488JKNRUB 488JKNRUB Ring and Pinions