Castrol Six Hour

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The Castrol Six Hour was a motorcycle race, held in Australia from the late 1960s through to the late 1970s. Initially held at Amaroo Park, the event later moved to Oran Park was for production motorcycles and was at the time the biggest and most prestigious bike meeting in Australia, enjoying huge support form not only Castrol but much of the motorcycle trade as well as many outside it. It also had considerable television coverage and either contributed to or was the result of a motorcycle sales boom.