Brazilian forward Robson Robinho and Argentine booter Raul Becerra struck two goals for the Kings.
Also read: BPL Football: Robinho, Becerra’s hat-tricks help Kings beat Arambagh 6-1
Star-studded and Federation Cup champions Kings have dominated the prestigious league with an unbeaten run securing 31 points from eleven matches.
And Sheikh Russel remained at the fourth spot in the league table with their previous credit of 17 points.
Argentine forward Becerra scored twice in the 23rd and 74th minutes while Brazilian forward Robinho netted two goals for the Kings in the 42nd and 83rd minutes – netting 12 individual goals.
Also read: BPL Football: Sheikh Jamal drop point with Dhaka Abahani in 2-2 draw
In the day's other match, Saif Sporting Club earned their fifth win in their 10th league matches, beating Uttar Baridhara Club 2-1 at the Bangabandhu National Stadium.
Arif Hossain put Baridhara ahead in the 20th minute (1-0) while Nigerian booter John Okoli restored parity for Saif SC in the 44th minute (1-1).
Sajjad Hossain sealed the fate of the game, scoring the match-winner for Saif SC, just one minute before the final whistle (2-1).
Also read: BPL Football: Kings consolidate solo lead beating Muktijoddha 3-0
After the day's win, Saif SC remained at the fifth slot in the league table, securing 16 points from 10 outings.
And Uttar Baridhara stood at the 11th slot with six points from 10 matches.