The West Sydney Razorbacks have ended the Sydney Kings unbeaten start to the season, downing their cross-town rivals 103-96 in a fiery clash at the State Sports Centre.

US import Troy DeVries scored 13 points in the final quarter to seal the victory for the Razorbacks while Kings veteran Jason Smith led all scorers with 25 points.

The win leaves Sydney (5-1) in third spot on the ladder, equal with Brisbane (5-1) on wins and trailing the undefeated Melbourne Tigers (7-0).

Down three points midway through the opening quarter, Sydney forward Cameron Tovey came off the bench to ignite the Kings and after one period they led 26-23.

A barrage of three-pointers extended the Kings lead to 13 points in the second quarter before US import Darnell Hinson guided the Razorbacks to within six points.

Tensions rose when Pigs centre Tony Rampton and Kings guard Luke Kendall got tangled up under the basket before half-time and when the siren rang for the main break the Kings led 53-47.

A Hinson three-pointer tied the scores at 58-58 four minutes after half-time and the teams traded baskets until Rookie of the Year candidate Julian Khazzouh scored seven quick points to lift the Razorbacks to the lead with one period to play, 78-74.

Sydney's Mark Worthington hit a three-pointer to open the final stanza and when Smith tipped in a lob pass the Kings led by one point, 81-80.

West Sydney then staged a 10-0 run late in the quarter and Sydney never recovered.

The victory lifts the Razorbacks (4-2) to fifth on the ladder, just one win shy of their previous season's total.

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