A MAJOR milestone for the Mildura Kart Club is set to attract their biggest racing field in at least two decades.

About 160 drivers are expected for next week's 50th annual North West Victoria Kart Titles at the Sunraysia venue, the oldest independent karting event in Australia.

It's also one of the richest events on the calendar with about $25,000 in cash and prizes up for grabs across 13 class...