The DSIR is a dual speed input reducer that reduces the number of input turns required, and therefore the operating time, on manual gearbox applications. It can be used with any manual gearbox that can be fitted with an F14 or FA14 input flange, and its ratio can be switched between 1:1 and 4.25:1.
| Output Torque | 720 Nm (531 lbf.ft) |
| Ratio | Switchable between 1:1 and 4.25:1 |
| Applicable To | Any manual gearbox which can be fitted with an F14 or FA14 input flange |