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 The patented Nüral Elastoval piston design takes advantage of varying wall thicknesses. These calculated variations improve piston performance when the engine reaches maximum loads, when the piston skirt in particular is subjected to widely varying pressures.
The oval skirt shape of the Elastoval piston ensures optimal elasticity of the piston skirt in order to match the given loads. This feature, coupled with high geometric stability and minimized piston weight, provides Elastoval pistons with:
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