Castrol Six Hour

VenueAmaroo Park
LocationAnnangrove, New South Wales
33°39′3″S 150°56′1″E / 33.65083°S 150.93361°E / -33.65083; 150.93361
Corporate sponsorCastrol
First race1970
Last race1987
Duration6 hours
Most wins (rider)Ken Blake, Michael Dowson (3)
Most wins (manufacturer)Kawasaki, Yamaha (5)
Circuit information
Length1.94 km (1.21 mi)
Turns10

The Castrol Six Hour was a motorcycle race for production motorcycles, held in Australia from 1970 through to 1987.