Flanker Richard Gravel grabbed a fifth try, while
fly half Leighton Walters landed four conversions and two penalties.
Abercynon hit back from 24-14 down and then 24-27 until the final minute when
fly half Matthew Turner scored a try and converted for a 31-27 win over Caerphilly.
There was an impressive debut at
fly half for England Under-21 cap Toby Flood who moved to inside centre when Wilkinson came on.
Meanwhile, Nant Conwy beat Mold 28-5, their touchdowns coming from No 8 Meirion Jones, wing I wan Howell and
fly half Peredur Ellis, who added the goalkicks.
Fly half Nick McLeod added three conversions and a penalty.
Caerphilly, the only Welsh club without a Celtic League win, play former Pontypool
fly half Stuart Lawrence in preference to Luke Richards.
Henry seems certain to look towards Jones or Newport full-back Shane Howarth to fill Jenkins boots at
fly half.
For Tenby,
fly half Toby Smith kicked a hat trick of penalties and converted a try from flanker Robert James.
Robin Robertson scored the first-half try and
fly half Dean Watkins landed a hat-trick of penalties for the Cheesemen.
Centre Matt Harrington touched down for the home side and
fly half Matthew Parry added a goal.
Fly half Stuart Morris kicked a conversion and penalty.
Fly half Steve Lewis is doing a superb job since Stuart Morris went to Maesteg and he contributed 20 points, while Ady Tarantino, Dylan Mafi and scrum half John Docherty all scored tries.