1979 Chevrolet C20 tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 8x165.1 on every 1979 trim.

Tires for the 1979 Chevrolet C20

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

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Open a trim for its tire and rim sizes, bolt pattern and tire pressure.

1976–1980 1 trim

C20 8 lugs N/A · N/A 235/85R16 1 fitment

Check price on Amazon · 235/85R16 Wheels 16x7.5 ET0 · 8x165.1 · 115.9 mm on Amazon

Tire size	Rim size and bolt pattern	Pressure, psi
235/85R16	Rim 16x7.5 ET0 ~~8x165.1~~	–

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.