BGM Vespa PX Malossi 139/166 Cylinder Base Gasket (1.5mm) 049642 Forma products from Italy are

Forma products from Italy are known for good quality

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BGM Vespa PX Malossi 139/166 Cylinder Base Gasket (1.5mm) 049642 Forma products from Italy areBGM Vespa 139 166 Cylinder Base Gasket (1. 5mm) BGM Vespa 139 166 Cylinder Base Gasket (1. 5mm). These Base Gaskets come with a 1. 5mm thickness, designed for 139 166 kits if using a longer Con Rod. If you install a 60mm instead of a 57mm crankshaft The following then applies: 1. 5mm compensation, base: Wide revs range and high HP, but limited torque and boost to performance that is both late and only occurs suddenly. 1. 5mm compensation, head: