Luke Dowling nailed six goals and Brad Walsh put in a stellar effort to keep Rockingham's record squeaky clean with a big win over Centrals on Saturday.
The Rams were emphatic jumping out of the block with a big first quarter setting up the 16.7 (103) to 4.12 (36) victory over last year's grand finalists.
Zayne Selkirk opened the scoring for the day with Brody Dalgetty, Mitchell Anderson, Jakob Janzekovic and Chris Oliver and Tyler Sutton all chiming in with first-quarter goals as the Rams rocketed out to a 31-point lead at quarter time.
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The Blues leveled the contest with goals to Brad McPhail and Grant Dunn in the second, trimming the margin to just 22 at half time as they looked to come back from the brink.
But things got ugly in the third when Rockingham hit the ground running.
Dowling posted three goals in the term while Noah Hura tallied two of his own to see the Rams restore their lead with a six-goal to zip quarter.
The scoring barrage left Centrals 60 points behind at the end of the third, and a late one to Dunn did little to help their chances as Dowling slotted his sixth to cap off a big game and a 67-point victory for his Rams.
The win keeps Rockingham in first on the ladder with a hefty percentage advantage over fellow unbeaten side Pinjarra, while Centrals drop to fifth with a 1-2 record.
Rockingham will play Pinjarra for sole possession of top spot in round four, while Centrals return home to host a winless South Mandurah outfit.