Frames from John Gillard, Michael West, Ben Evans, Dominic Dean and Tony Strange, with a break of 56, steered 147 A to a whitewash over East Brighton Golf A.
It also takes them to the top of the Division One table as of March 26.
Clubmates 147 B beat St Matthias A 4-1 through Simon Dent, who hit a 32, Stuart Dunseith, Colin Slattery and Malcolm Egginton (49 break).
In Division Two, Southwick Sports' Nik Kennett, Brendan Ward and Dave Gridley picked up victories in a win over Hove Conservative A, for whom Bob Henley and Tony Orford replied.
Brighton Sports D beat Pot Black C to leap into third place through John Hardy, Ian and Karl Jackson and Gary Fowler. There is a lot to decide but not a lot of time left.
Pot Black D grabbed the division three title win by beating St Annes through Paul and Ricky Beecham, Les Berry and Darren Bradley.
Hove Deep Sea Anglers may have gained second place following their win over Champion House via Martin and John Hall, John McLellan and Tony Mulhern in their last match.
Brighton Sports E are Division Four champions after a 4-1 victory over NARC B in which Anthony Potter, John Maskall, Carlo Lupi and Danny Brooks enjoyed wins.
The Referees are second after wins from Derek Budde, Ernie Bysh and Trevor Salvage against East Brighton Golf B.
In Division Five, Portslade Sports beat Century A via Neil Francis, Daniel Stirling, Jake Jordan and Oliver Stewart to stay top.
But their lead was cut to one when Lloyds TSB took all on offer via Mark Thomas, Daniel Lyons, Tim Shutt, Tony Walker and Gary Poulter.
In Division Six. Marquess of Exeter finished an excellent season when Micky Pert, Dave Hoare, Phil Bish and Kenny Wenham beat Shoreham Legion.
Hove Conservative C took second despite losing 4-1 to Trades and Labour B.
The winner for Conservative was Tony Dade and for Labour B D Dickson, T Marchant, K and L Newington.
With two matches to play in the Billiards League, NARC are the likely winners with Champion House runners-up. St Annes moved into third place having played their outstanding match.
In the Worthing Billiards League the champions of Division A are Lancing Empire A despite being beaten by second placed Durrington Social A 387-240. Colin Nicholson (34 break), Martin Williams and Pete Morley (30 break) were successful for Durrington and Mick Lott replied.
Tennis A are third despite being beaten by Inland Revenue 375-320.
The Tennis winners were Graham Harris, the chairman of the league, and Jim Smith with John Winkley and Neil Stevens responding for Revenue.
The Division B champions are Tennis B who defeated Durrington Social B 392-312.
Dave Verey and Pete Geall and Mike Jury were their winners while Nick Roberts scored for Durrington.
In second place are Durrington WMC A who beat West Tarring A 399-260. For Durrington Bob Sadler, Dave and Glen Ford were on form as West Tarring's Mike Elliott replied. Central A finished third.
Veterans League champions Lancing thumped Durrington Social 300-172 with their wins coming from Dave Alderton, John Woolar and Phil Read.
Second-placed Durrington WMC A beat New Central A 291-239 with Doug Ellis and Terry Tack on song for the winners as Mike Ford scored for Central.
The Tuesday three-a-side snooker champions Royal Mail A beat Lancing Empire A 4-2 with the deciding win coming from Clark Lucas as he hit a 43 break.
Elliott Bradley drew with Kevin Keegan and Neil Allen drew with R Bridger.
Lancing Empire A beat New Central B 6-0. Dave Hughes, who boasts the highest break of 84, added further runs of 41 and 30 to join Tony Withers and Steve Bond (53) on the winners' list.
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