Materials

Hypereutectic cylinder alloy used by Porsche where the bore runs directly on etched silicon.

Alusil (AlSi17Cu4Mg)

1 aftermarket part. 1 of the aftermarket entries carry this material because the seller printed it; none was inferred from what the part usually is.

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  Piston Ring Kit 911 1974-77 - 2.7 L - 150-175 HP - Kolbenschmidt Alusil

  Part listed for the g-series.

  Engine Internalsg-seriesAlusil (AlSi17Cu4Mg)