Non Rubicon kits are for D30/44 axles.
Rubicon packages are for factory Rubicon D44 axles front and rear. Please contact us for other axle options
Yukon gear packages provide an easy way to re-gear a four wheel drive vehicle with one simple part number.
Technical Notes: If you are running a 3.21 ratio you will need to purchase a new front carrier case with this package. Yukon YCD2010999