The pipe organ in Glenstal Abbey was built by Kenneth Jones of Glendalough and Bray in 1981 and has the following specification.
| Great | Swell (enclosed) | Pedal |
| Principal 8 | Gedeckt 8 | Bourdon 16 |
| Rohrflute 8 | Salicional 8 | Bass Flute 8 |
| Octave 4 | Flute 4 | Fifteenth 4 |
| Fifteenth 2 | Gemshorn 2 | Mixture (IV) 2 2/3 |
| Mixture (III) 2 | Octavin 1 | Dulcian 16 (from Gt) |
| Dulcian 16 | Terzian (II) | Trumpet 8 (from Gt) |
| Trumpet 8 | Tremulant | Great to Pedal |
| Swell to Great | Swell to Pedal |
It has tracker action on both manual and pedal keyboards.
It is used to accompany nearly all the liturgies and for performances of organ repertoire and improvisation.
Information supplied by Br Cyprian Love OSB, Organist Glenstal Abbey Co Limerick.