The PRO12's leading try scorer, Craig Gilroy, Tommy Bowe and Louis Ludik, who all got tries at the Sportsground, are named in the back three, with Gilroy on the left wing, Bowe on the right and Ludik starting at fullback.
Ireland internationals Darren Cave and Jared Payne continue their partnership in midfield with Cave starting at inside centre and Payne wearing 13.
Paddy Jackson is named at outhalf with Springbok, Ruan Pienaar continuing at scrumhalf.
Up front, Callum Black and Wiehahn Herbst start either side of Captain Rory Best in the front row.
Dan Tuohy partners Franco van der Merwe in the second row, with Iain Henderson starting at blindside and fellow Ireland international, Chris Henry, selected at openside.
Roger Wilson is named at Number 8 and will draw level with Paddy Wallace as Ulster's all-time PRO12 appearance record holder as he plays his 131st game in the competition.
Forwards Rob Herring, Andrew Warwick, Bronson Ross, Robbie Diack and Clive Ross, join backs Paul Marshall, Ian Humphreys and Stuart McCloskey on the replacements' bench.
The game is live on BBC2 Northern Ireland, RTE Radio and Sky Sports.
Ulster team & replacements to play Leinster, Guinness PRO12, Kingspan Stadium, Friday 24th April (19:35 kick off):
(15-9): L Ludik; T Bowe, J Payne, D Cave, C Gilroy; P Jackson, R Pienaar; (1-8): C Black, R Best (C), W Herbst, D Tuohy, F Van der Merwe, I Henderson, C Henry, R Wilson;
Replacements (16-23): R Herring, A Warwick, B Ross, R Diack, C Ross, P Marshall, I Humphreys, S McCloskey.
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