Royal Purple 01312 Ultra-Performance Grease With SynSlide

I ordered Royal Purple bearing grease from XDP, because no one else had it in stock. It arrived quickly and I was able to repack my trailer bearings for a Labor Day boat launch. This is the only grease I use, since after 3500 miles on my (4) wheel - 22' pontoon trailer, I can find absolutely no wear on the spindles or the bearings. The rollers are snug in their cage and there is no rust or pitting on the races or bearings at all. I will continue to use Royal Purple grease and order from XDP in the future.

I ordered this as it was convenient since I was doing a 200K mile service on the LBZ; and came to this website to order a PPE oil & trans filter. Chassis lubrication spec from the GM Silverado owner manual states: NLGI #2, Cat. LB or GC-LB. I had the opportunity to email James at royal purple directly, and it is confirmed this grease DOES NOT meet LB/GC-LB spec. Oh well... Still installed the tube into a makita battery powered grease gun and did some zerks. I shall run this tube out on frequent lubes... then switch to something else. XDP may want to offer an alternative product with LB/GC-LB spec. Because that is what my LBZ requires.