tirewheelguide

1988 Chevrolet K1500 tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 6x139.7 on every 1988 trim.

Tires for the 1988 Chevrolet K1500

Sizes most trims come with first. Open your trim below for its exact size.

  1. 225/75R16 Best-rated standard on 4 trims
    Check price on Amazon · 225/75R16
  2. 245/75R16 Best-rated optional on 4 trims
    Check price on Amazon · 245/75R16
  3. 265/75R16 Best-rated optional on 4 trims
    Check price on Amazon · 265/75R16

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Trims sold in 1988
4
Generation
K1500

4 trims sold in 1988

Open a trim for its tire and rim sizes, bolt pattern and tire pressure. Trims with the same tires and wheels share a row.

Chevrolet K1500 K1500

1988–1999 4 trims
K1500 4.3 +3 variants 160 hp · V6 225/75R16 6 fitments

Same tires and wheels on: 5.0, 5.7, 6.2

Generation
K1500 · 1988–1999
Power
160 hp
Engine
V6, Petrol
Center bore
78.3 mm
Bolt pattern
6x139.7
Thread
M14 x 1.5
Check price on Amazon · 225/75R16 Wheels 16x6.5 ET44 · 6x139.7 · 78.3 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
225/75R16Rim 16x6.5 ET44 6x139.745 psi
245/75R16Rim 16x6.5 ET50 6x139.745 psi
225/75R16Rim 16x6.5 ET50 6x139.745 psi
265/75R16Rim 16x6.5 ET44 6x139.750 psi
265/75R16Rim 16x6.5 ET50 6x139.750 psi
265/75R16Rim 16x7 ET44 6x139.750 psi
What these columns mean
Rim size
Rim diameter × width in inches, and the factory offset (ET) in millimetres, e.g. 18x7.5 ET25.
Bolt pattern (PCD)
Number of studs and the diameter of the circle they sit on. It must match exactly.
Center bore
Diameter of the hub hole. Larger aftermarket bores need hub-centric rings.
Pressure
Recommended cold inflation pressure for that axle, in psi.
Thread size
Lug bolt or nut thread — needed when buying aftermarket fasteners.
Trims sold in 1988
4
Generation
K1500
Other years
All years (1988–1999)

Considering a different size?

Compare your current tire size with the one you want: diameter change, ground clearance and speedometer error.

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