Lock Parling was rested for last weekend's 31-9 win against London Irish but returns for the contest between the teams occupying the third and fourth places in the table.
Graham Kitchener drops out of the match-day squad but Steve Mafi could make his return from a knee injury after being named among the replacements.
Toby Flood will make his 100th appearance in the Premiership after again being selected at fly-half for the clash, which is live on Sky Sports 1HD from 4.30pm.
Gloucester director of rugby Nigel Davies makes three changes for the trip after his side's narrow 18-16 victory against Exeter last time out.
Two of the switches come in the forwards, with Huia Edmonds replacing Darren Dawidiuk and Will James coming in for Tom Savage at hooker and lock respectively. Dawidiuk and Savage are named on the bench.
The only other alteration comes at full-back and sees Martyn Thomas replace Rob Cook, who has been suffering with illness over Christmas.
Gilbert has released a new line of rugby cleats. The Gilbert Virtuo 8S is part of the exciting new product. Check it out.
The entire All Blacks apparel line has been updated for 2013/14. Check out the New Zealand All Blacks polo.
The Nike Tiempo is a solid rugby cleat and one of few styles still made from full-grain natural leather.
The Gilbert Blitz 8S rugby cleat is a great cleat at a great price of $69.99. Get a new pair of cleats today.
A cool looking all black rugby cleat with the high performance adidas is known for. Get in the Gear!
Wear the crest of the British and Irish Lions on your t-shirt. A great look for the summer.
The All Blacks Performance t-shirt is black with hints of blue from the training jersey. Very Cool.
The New Zealand All Blacks training jersey for 2013/14. Get in the Gear!
The USA Rugby Pro Alternate rugby jersey is perfect for any fan of the Eagles. Get yours to wear during the summer Test matches.
The NEW All Blacks 2013/14 jersey has arrived at World Rugby Shop. Dare to wear the colors of the All Blacks.