Select your GMC K2500 1986 engine (e.g., K2500 4x4 (7/16 inch studs)), then choose your wheel size (R16–R16) to see the tire options that fit your vehicle.
K2500 4x4 (7/16 inch studs)
K2500 4x4 (9/16 inch studs)
K2500 4x4 Bonus Cab (1/2 inch studs)
K2500 4x4 Bonus Cab (9/16 inch studs)
K2500 4x4 w/LS9 Eng. (7/16 inch studs)
K2500 4x4 w/LS9 Eng. (9/16 inch studs)