Holden 6 cylinder old style finned aluminum side covers are Australian made by Aussiespeed. These are not pumped out of a die but are hand molded & are made from a premium grade of aluminum.
They are step drilled on the back & have a fully inner lip to make sealing and gaskets easy to fit. The fins & raised outer lip are a Polished finish. The side plates are sold as a pair, we also have socket head bolts and washers available in our online store