Upgrade your differential with a Yukon pinion crush sleeve eliminator. This kit will replace the crush sleeve with a solid shim and spacer. If you over tighten a crush sleeve you will have to toss it and start over with a new one. Yukon pinion crush sleeve eliminators prevent this from happening and save you money. Theses kits are precision machined and made to fit your specific application to ensure you have the correct shims. Make setting your preload easier with a high quality Yukon pinion crush sleeve eliminator. This kit will allow you to set your preload and forget about it. Solid spacers will reduce wear and tear on your gears and increase the lifespan of your differential.