
Fits
| Model | Year | Variant |
|---|---|---|
| 130 | 1969-1970 | — |
| 220 | 1969 | — |
| 142 | 1969-1973 | 2-door |
Mahle / Volvo OE Piston B20/B30 – 89.67 mm (+0.030")
Oversize piston for Volvo B20 and B30 engines, intended for blocks bored to 89.67 mm (+0.030"). Features a flat-top piston design and a 22 mm piston pin, and is supplied complete with piston rings and piston pin, ready for installation in a properly machined block.
This is an OE-specification piston from Mahle / Volvo, designed for rebuilds where correct fit, durability, and consistent performance are required. Well suited for original restorations, period-correct builds, and street or track engines where long service life and predictable compression characteristics are important.
Specifications
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Engine applications: Volvo B20 / B30 (early versions)
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Oversize: +0.030"
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Bore diameter: 89.67 mm
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Piston type: Flat-top
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Piston pin diameter: 22 mm
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Manufacturer: Mahle / Volvo OE
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Supplied with: Piston, piston rings, and piston pin
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OE references: 3731-030, 3731.030, 03731030, 0373102, 272004
