2005 Chevrolet Avalanche 2500 4wd Bolt Pattern

Bolt Pattern
8x165.1mm = 8x6.5 inches
Tire Sizes
245/75R16 = 30.5x9.7R16

The 2005 Chevrolet Avalanche 2500 4wd bolt pattern is 8-165.1 mm. This means there are 8 lugs and the diameter of the circle that the lugs make up measures 165.1 mm or 6.5 inches across. To get a close measurement of your 8 lug bolt pattern without a bolt pattern tool you should measure from the center of one lug to the center of the lug across from it.