Silverdeel was sent out a well supported $1.85 favourite for Monday's Class 1 and Maiden Plate (1,100 metres) but so dominant was her victory that she made that starting price still look too long.

Jockey Mikayla Weir got Silverdeel away fairly from barrier one and would settle in third behind leader She's No Princess and Lady Percy.

She's No Princess, at $3.50, was seen by punters as the main danger to Williams' favourite, and the grey mare was travelling well out in front as the field rounded the turn for home.

Lady Percy was already under the pump at that stage, and Weir smoothly slipped past along the rail to stay in touch with the leader.

Straightening for home Silverdeel drew up along the outside of She's No Princess and started to put distance on the rest of the field.

The grey couldn't muster up a response but Joint Factor ($26, Daniel Northey) looked like a chance of keeping close to the favourite in the run for home.

However, hopes of that were quashed in the final 100 metres as Silverdeel surged home to score by six lengths over Northey's challenger.

Jungle Rush ($26, Kath Bell-Pitomac) was a further two lengths away in third.

Silverdeel's win is the fifth victory for the Williams stable since June and comes just nine days after her big success in the Highway Handicap at Randwick.

Weir said she couldn't have asked the race to play out in any better fashion to suit her filly.

"We had a beautiful run in transit. We just had to wait for the straight and hold her together," she said.

"I think that she still has plenty to give because of the fact that nothing was able to go with her. She just wanted to hang off the track a little bit."

Silverdeel has been an exciting acquisition for the Williams stable.

The three-year-old Dundeel x Silvergilt filly has come up from Julius Sandhu's Victorian operation and has claimed a pair of wins in her four starts for Williams.

Perhaps unsurprisingly, having been sired by Dundeel, Silverdeel has shown dominance on heavy tracks - where both her wins have come so far.

Williams will be chasing more Highway Handicap success this Saturday when she takes Tags, Zoo Station and Bondi Blue to Rosehill.

Earlier in the meeting Bathurst trainer Andrew Ryan came within literally centimetres of success in the Kosciuszko Tickets On Sale Maiden Handicap (1,300m).

Are You Certain ($5, Eleanor Webster-Hawes) was denied by the smallest of margins by Electrifying Lady ($6, Elissa Meredith) as officials scrutinised a photo finish which almost looked like a dead heat.

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