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57.00

Polini Crankshaft Bearings + Oil Seals MBK Booster / Nitro at a bargain price.

For racing engines, or for simply replacing original bearings and seals. The oils seals are special Polini seals – made of Viton® for superior hydrocarbon resistance, with polymer-coated lip for reduced friction.

Available on backorder

  • 2 crankshaft main bearings (NTN C4 – 6204), steel cage, 20x47x14mm
    2 oil seals, Viton® + Polymer, 20×30/34x6mm and 20×42/43x8mm.

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