Rob Herring and Adam Macklin are retained in the front row, while Tom Court starts at loose head. Dan Tuohy makes his first start after recovering from a torn calf muscle and joins Lewis Stevenson in the second-row. Chris Henry will captain Ulster and starts at openside, with Robbie Diack at blindside and Nick Williams at Number 8.
Callum Black drops to the bench, as does Neil McComb and Roger Wilson. Paddy Wallace and John Afoa are also named as replacements alongside Niall Annett, Michael Heaney and Ricky Andrew.
The game, which is sold out, will see RaboDirect PRO12 leaders Ulster take on the team immediately below them in the table, Llanelli Scarlets. Ulster won the previous encounter between the two sides 19 points to 12 at Parc y Scarlets last month.
A limited number of promenade tickets are still available for the Heineken Cup game against Glasgow at Ravenhill next Friday night and are available at SS Moore's only.
Ulster XV & replacements to face Llanelli Scarlets, RaboDirect PRO12, Ravenhill, Friday 4th January 2013 Kick Off 19:05:
(15-9): A D'Arcy, A Trimble, D Cave, L Marshall, C Gilroy; P Jackson, R Pienaar;
(1-8): T Court, R Herring, A Macklin, L Stevenson, D Tuohy, R Diack, C Henry, N Williams;
Replacements (16-23): N Annett, C Black, J Afoa, N McComb, R Wilson, M Heaney, P Wallace, R Andrew
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