tirewheelguide

1955 Oldsmobile 88 tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x127 on every 1955 trim.

Tires for the 1955 Oldsmobile 88

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

  1. 8.50xR14 standard on 2 trims
    Check price on Amazon · 8.50xR14
  2. 215/75R14 Best-rated optional on 2 trims
    Check price on Amazon · 215/75R14
  3. 225/70R15 Best-rated optional on 2 trims
    Check price on Amazon · 225/70R15

Also listed: 7.60xR15

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Trims sold in 1955
2
Generation
II

2 trims sold in 1955

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

Oldsmobile 88 II

1954–1956 2 trims
88 5.3 2-bbl +1 variant 174 hp · 5.3L V8 8.50x D14 4 fitments

Same tires and wheels on: 5.3 4-bbl

Generation
B-body · 1954–1956
Power
174 hp
Engine
5.3L V8, Petrol
Center bore
78.3 mm
Bolt pattern
5x127
Thread
1/2" - 20 UNF
Check price on Amazon · 8.50xR14 Wheels 14x5.5 ET0 · 5x127 · 78.3 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
8.50x D14Rim 14x5.5 ET0 5x127–
215/75R14Rim 14x5.5 ET0 5x127–
7.60x D15Rim 15x5.5 ET0 5x127–
225/70R15Rim 15x6.5 ET0 5x127–
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 1955
2
Generation
II
Other years
All years (1949–1999)

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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