4” x 1/8” Piston Ring - Compression
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4” x 1/8” Piston Ring - Compression

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High quality 4” x 1/8” piston ring suitable for vintage engines with a 4” standard bore. These compression rings have a radial wall thickness of 0.140”, please check your piston ring grove for suitability before ordering.

Sold Individually.

  • $12.70
  • including GST
In stock (50 items available)

Piston Ring Type: Compression Ring

Piston Ring Dimensions:

  • Suit 4” (101.6mm) Standard Bore
  • 1/8” (3.175mm) Wide
  • 140” (3.556mm) Radial Wall Thickness (+ - 0.005")

Known to be Suitable for:

  • Lister A, 3hp to 3-1/2hp, 1 ring required (Plus 3 x 1/8” Compression Rings).
  • International LA LB, 1-1/2 to 2-1/2hp, 3 rings required (Plus 1 x 1/4” Oil Ring)


*Radial wall thickness shown is an indication only, this may vary by up to 0.005” depending on stock available at the time. If you require a specific radial depth, please contact us to discuss your requirements.

CHECK YOUR PISTON & BORE! Remember, many of these engines can be as much as 80 to 100 years old or more, piston ring groves may be worn or may have even been modified in the past. Be sure to check your engines piston and bore for ring suitability before purchasing.

Gap Check Your New Rings: All new rings should to be checked for correct minimum end gap requirement suitable for your engines bore, refer to your workshop manual for original manufactures specifications on correct ring end gap required for your engine. In the absence of the original manufacturer’s specifications please refer to the general information pamphlet that is provided with your new piston rings.

We purchase our new piston rings from several suppliers here in Australia and around the world, as well as purchasing new old stock from closing businesses. Some of our rings are pre gapped, some are not, if you have specific requirements for pre-gapped or ungapped rings please contact us.

Fitting Piston Rings: Using ring expanders is highly recommended to avoid breaking your new rings or causing damage to the piston, please be sure to read the tips and recommendations on the pamphlet provided with your new piston rings.

Quality Guaranteed: Our piston rings have been tried and tested and are constantly quality checked, you can rest assured you are buying a high quality product from O.T.E. Parts Australia.

    • Weight
      0.0250 kg
    • SKU
  • Manufacturer
    O.T.E. Parts Australia
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