Dana 30 Cut & Turn using Axle Sleeves? When you lift your Jeep, you need more pinion angle to keep your driveshaft free of vibrations. As you increase your pinion angle, your caster angle decreases. We'll show you how to get the perfect pinion angle AND the best caster angle at the same time! We use our axle sleeve kit, not the way it was intended, but as a fixture to cut and turn the axle Cs. Axle Tube Sleeves: Improve the strength of your axle so it holds up to the abuse you intend to put it t