Norshahrul Idlan Talaha drew first blood for Kelantan in the 46th minute before Antwi Dennis Agyre doubled his side's lead in the 76th minute at the Sultan Mohamed IV Stadium in Kota Baharu.
Mohd Badri Mohd Radzi rounded off an easy victory with an effort in the 78th minute to ensure Kelantan recorded their fourth win in five matches and stay at the top of the standings with 13 points.
Terengganu stunned hosts LIONSXII at the Jalan Besar stadium on Saturday evening with a 1-0 victory thanks to a strike from Francis Doe Forkey in the 77th minute.
Terengganu have now amassed 12 points this season.
Kedah's miserable run showed no signs of abating as Johor FC posted a 3-1 win against the former at the Darul Aman Stadium.
Giants Selangor earned a hard-fought 2-1 triumph against T-Team at the Sultan Nasiruddin Shah Stadium in Kuala Terengganu as goals from Ramez Jamal Dayoub and Azidan Sarudin earned them three points.
Zairol Anuar Zalani netted the only goal for T-Team.
Sarawak twice came from behind to earn a thrilling 2-2 draw with Negri Sembilan at the Kuching Stadium.
Ahmad Shakir Md Ali and Shukor Adan plundered in goals for Negeri Sembilan but Sarawak fought back in the encounter thanks to goals from Guy Bwele and Zamri Morshidi.
Perak recorded a 2-1 win against Felda United at the Hang Jebat Stadium.