What is the 2000 chevy silverado 2500 lug pattern?

Depending on configuration, Your 2000 Chevrolet Silverado 2500 will come with one of two different tire sizes -- You'll either have LT245/75R16 tires, or LT225/75R16 tires. The wheels measure 16 inches in diameter by 6.5 inches in width; more specifically, the rim measurement iS6.5J X16 ET28. The bolt pattern is, universally, 8 X165.1, and likewise the center bore is a universal 116.6mm. Since the wheel size and bolt pattern matches across configuration, this means that any '00 Silverado 2500 wheel will fit on any '00 Silverado 2500. The bolt pattern indicates that each wheel is secured with 8 fasteners; in this case, lug nuts. Each has thread that measure M14 X1.5, and should be torqued to specification -- 140 lb-ft.