Munster have announced that tighthead prop Stephen Archer has signed a three-year contract while Dave Foley, Felix Jones and Dave Kilcoyne have all signed two-year extensions that will see them remain with the province until at least June 2017.
It comes as good news to the Reds ahead of next Saturdays clash with Clermont at Thomond Park in the Champions cup.
"This is a great step forward for us. Securing players of this calibre is always a boost for the club and it shows our commitment to developing home-grown players and talent. These guys have come through the structures and have reached international level with so much more to come, and it's hugely positive for all involved," said head coach Anthony Foley.