1981 Chevrolet C20 Tire Sizes

Factory original equipment (OE) tire specifications.

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Custom (7/16 & 1/2 inch studs)(GVWR 6400)

Tire Size
8.75R16.5LT/C
Load Index
Speed Rating

Custom (7/16 & 1/2 inch studs)(GVWR 6400)

Tire Size
9.50R16.5LT/D
Load Index
Speed Rating

Custom (7/16 & 1/2 inch studs)(GVWR 6400)

Tire Size
7.50R16LT/D
Load Index
Speed Rating

Custom (7/16 & 1/2 inch studs)(GVWR 8600)

Tire Size
9.50-16.5LT/D
Load Index
Speed Rating

Custom (9/16 inch studs)(GVWR 6400)

Tire Size
8.75R16.5LT/C
Load Index
Speed Rating

Custom (9/16 inch studs)(GVWR 6400)

Tire Size
9.50R16.5LT/D
Load Index
Speed Rating

Custom (9/16 inch studs)(GVWR 6400)

Tire Size
7.50R16LT/D
Load Index
Speed Rating

Custom (9/16 inch studs)(GVWR 8600)

Tire Size
9.50-16.5LT/D
Load Index
Speed Rating

Custom Bonus Cab (7/16 & 1/2 inch studs)(GVWR 8600)

Front
Tire Size
9.50-16.5LT/D
Load Index
Speed Rating

Custom Bonus Cab (7/16 & 1/2 inch studs)(GVWR 8600)

Rear
Tire Size
9.50-16.5LT/E
Load Index
Speed Rating

Custom Bonus Cab (9/16 inch studs)(GVWR 8600)

Front
Tire Size
9.50-16.5LT/D
Load Index
Speed Rating

Custom Bonus Cab (9/16 inch studs)(GVWR 8600)

Rear
Tire Size
9.50-16.5LT/E
Load Index
Speed Rating

Deluxe (7/16 & 1/2 inch studs)(GVWR 6400)

Tire Size
8.75R16.5LT/C
Load Index
Speed Rating

Deluxe (7/16 & 1/2 inch studs)(GVWR 6400)

Tire Size
9.50R16.5LT/D
Load Index
Speed Rating

Deluxe (7/16 & 1/2 inch studs)(GVWR 6400)

Tire Size
7.50R16LT/D
Load Index
Speed Rating

Deluxe (7/16 & 1/2 inch studs)(GVWR 8600)

Tire Size
9.50-16.5LT/D
Load Index
Speed Rating

Deluxe (9/16 inch studs)(GVWR 6400)

Tire Size
8.75R16.5LT/C
Load Index
Speed Rating

Deluxe (9/16 inch studs)(GVWR 6400)

Tire Size
9.50R16.5LT/D
Load Index
Speed Rating

Deluxe (9/16 inch studs)(GVWR 6400)

Tire Size
7.50R16LT/D
Load Index
Speed Rating

Deluxe (9/16 inch studs)(GVWR 8600)

Tire Size
9.50-16.5LT/D
Load Index
Speed Rating

Deluxe Bonus Cab (7/16 & 1/2 inch studs)(GVWR 8600)

Front
Tire Size
9.50-16.5LT/D
Load Index
Speed Rating

Deluxe Bonus Cab (7/16 & 1/2 inch studs)(GVWR 8600)

Rear
Tire Size
9.50-16.5LT/E
Load Index
Speed Rating

Deluxe Bonus Cab (9/16 inch studs)(GVWR 8600)

Front
Tire Size
9.50-16.5LT/D
Load Index
Speed Rating

Deluxe Bonus Cab (9/16 inch studs)(GVWR 8600)

Rear
Tire Size
9.50-16.5LT/E
Load Index
Speed Rating