Jared Payne has recovered from the ankle knock that he suffered against Saracens and starts at full-back.
Chris Henry, Andrew Trimble and Paddy Jackson, who were rested against the Dragons also return to the side.
In the only other personnel change, Lewis Stevenson starts in the second-row, with Iain Henderson named as a substitute.
The positional changes see Tommy Bowe switch from the right wing to the left, and Ruan Pienaar moving from out-half to scrum half.
Johann Muller and John Afoa are named on a strong bench, as is Paul Marshall who will make his 100th appearance for the Province if he comes on.
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Ulster XV and replacements to face Connacht, RaboDirect PRO12, The Sportsground, Friday 19th April 2013 (kick off 19.45);
(15-9): J Payne, A Trimble, D Cave, S Olding, T Bowe, P Jackson, R Pienaar; (1-8): T Court, R Best (c), R Lutton, L Stevenson, D Tuohy, R Diack, C Henry, N Williams;
Replacements (16-23): R Herring, C Black, J Afoa, J Muller, I Henderson, P Marshall, M Allen, P Nelson.