1987 Chevrolet K20 4wd Pick-up Bolt Pattern


Bolt Pattern
8x165.1mm = 8x6.5 inches
Tire Sizes
Option 1
215/85R16 = 30.4x8.5R16
Option 2
235/85R16 = 31.7x9.3R16

The 1987 Chevrolet K20 4wd Pick-up 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.