EXHIBIT 12

STATEMENT OF COMPUTATION OF RATIOS



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|--------------------------------------------------------------------------- |  | -------------------------- | ------ | ----------- | ----------------------------- | - | --------------------------- |  | - | -------------------------- | - | -------------------------- | - | -------------------------- |  | - | ------ |  | - | ------ | -
|STANADYNE HOLDINGS, INC.                                                    |  | Successor                  |        | Predecessor |                              
|                                                                            |  | Year EndedDecember 31,2005 |        |             | 148 DaysEndedDecember 31,2004 |   | 218 DaysEnded August 5,2004 |  |   | Year EndedDecember 31,2003 |   | Year EndedDecember 31,2002 |   | Year EndedDecember 31,2001 | 
|(Loss) income before income taxes, minority interest and extraordinary item |  | $                          | (5,557 | )           |                               | $ | 5,513                       |  | $ | (7,625                     | ) |                            | $ | 15,780                     |  | $ | 645    |  | $ | (1,037 | )
|                                                                            |  |                            |        |             |                               |  
|Fixed charges deducted from earnings                                        |  |                            | 30,339 |             |                               |   | 9,506                       |  |   | 5,609                      |   |                            |   | 10,066                     |  |   | 11,288 |  |   | 11,812 |  
|                                                                            |  |                            |        |             |                               |   |                             |  |   |                            |   |                            |   |                            |  |   |        |  |   |        |  
|Earnings available for payment of fixed charges                             |  | $                          | 24,782 |             |                               | $ | 15,019                      |  | $ | (2,016                     | ) |                            | $ | 25,846                     |  | $ | 11,933 |  | $ | 10,775 |  
|                                                                            |  |                            |        |             |                               |   |                             |  |   |                            |   |                            |   |                            |  |   |        |  |   |        |  
|Fixed charges:                                                              |  |                            |        |             |                               |   |                             |  |   |                            |   |                            |   |                            |  |   |        |  |   |        |  
|Interest expense, net                                                       |  | $                          | 20,032 |             |                               | $ | 8,139                       |  | $ | 4,684                      |   |                            | $ | 8,310                      |  | $ | 9,420  |  | $ | 10,141 |  
|Amortization of deferred financing fees                                     |  |                            | 9,490  |             |                               |   | 1,031                       |  |   | 434                        |   |                            |   | 952                        |  |   | 1,029  |  |   | 1,029  |  
|                                                                            |  |                            |        |             |                               |  
|Portion of rent deemed to be interest                                       |  |                            | 817    |             |                               |   | 336                         |  |   | 491                        |   |                            |   | 804                        |  |   | 839    |  |   | 642    |  
|                                                                            |  |                            |        |             |                               |   |                             |  |   |                            |   |                            |   |                            |  |   |        |  |   |        |  
|Total fixed charges                                                         |  | $                          | 30,339 |             |                               | $ | 9,506                       |  | $ | 5,609                      |   |                            | $ | 10,066                     |  | $ | 11,288 |  | $ | 11,812 |  
|                                                                            |  |                            |        |             |                               |   |                             |  |   |                            |   |                            |   |                            |  |   |        |  |   |        |  
|Ratio of earnings (deficiency) to fixed charges                             |  |                            | 0.8    |             |                               |   | 1.6                         |  |   | (0.4                       | ) |                            |   | 2.6                        |  |   | 1.1    |  |   | 0.9    |  
|                                                                            |  |                            |        |             |                               |   |                             |  |   |                            |   |                            |   |                            |  |   |        |  |   |        |  



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|--------------------------------------------------------------------------- |  | -------------------------- | ------ | ----------------------------- | - | --------------------------- |  | - | -------------------------- | - | -------------------------- | - | -------------------------- |  | - | ------ |  | - | ------ | -
|STANADYNE CORPORATION                                                       |  | Successor                  |        | Predecessor                   |  
|                                                                            |  | Year EndedDecember 31,2005 |        | 148 DaysEndedDecember 31,2004 |   | 218 DaysEnded August 5,2004 |  |   | Year EndedDecember 31,2003 |   | Year EndedDecember 31,2002 |   | Year EndedDecember 31,2001 | 
|Income (loss) before income taxes, minority interest and extraordinary item |  | $                          | 1,968  |                               | $ | 5,732                       |  | $ | (7,625                     | ) |                            | $ | 15,780                     |  | $ | 645    |  | $ | (1,037 | )
|                                                                            |  |                            |        |                               |   |                            
|Fixed charges deducted from earnings                                        |  |                            | 22,878 |                               |   | 9,288                       |  |   | 5,609                      |   |                            |   | 10,066                     |  |   | 11,288 |  |   | 11,812 |  
|                                                                            |  |                            |        |                               |   |                             |  |   |                            |   |                            |   |                            |  |   |        |  |   |        |  
|Earnings available for payment of fixed charges                             |  | $                          | 24,846 |                               | $ | 15,020                      |  | $ | (2,016                     | ) |                            | $ | 25,846                     |  | $ | 11,933 |  | $ | 10,775 |  
|                                                                            |  |                            |        |                               |   |                             |  |   |                            |   |                            |   |                            |  |   |        |  |   |        |  
|Fixed charges:                                                              |  |                            |        |                               |   |                             |  |   |                            |   |                            |   |                            |  |   |        |  |   |        |  
|Interest expense, net                                                       |  | $                          | 20,032 |                               | $ | 8,139                       |  | $ | 4,684                      |   |                            | $ | 8,310                      |  | $ | 9,420  |  | $ | 10,141 |  
|Amortization of deferred financing fees                                     |  |                            | 2,029  |                               |   | 813                         |  |   | 434                        |   |                            |   | 952                        |  |   | 1,029  |  |   | 1,029  |  
|                                                                            |  |                            |        |                               |   |                            
|Portion of rent deemed to be interest                                       |  |                            | 817    |                               |   | 336                         |  |   | 491                        |   |                            |   | 804                        |  |   | 839    |  |   | 642    |  
|                                                                            |  |                            |        |                               |   |                             |  |   |                            |   |                            |   |                            |  |   |        |  |   |        |  
|Total fixed charges                                                         |  | $                          | 22,878 |                               | $ | 9,288                       |  | $ | 5,609                      |   |                            | $ | 10,066                     |  | $ | 11,288 |  | $ | 11,812 |  
|                                                                            |  |                            |        |                               |   |                             |  |   |                            |   |                            |   |                            |  |   |        |  |   |        |  
|Ratio of earnings (deficiency) to fixed charges                             |  |                            | 1.1    |                               |   | 1.6                         |  |   | (0.4                       | ) |                            |   | 2.6                        |  |   | 1.1    |  |   | 0.9    |  
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