EXHIBIT 12

STATEMENT OF COMPUTATION OF RATIOS



|                                                                                   |  |                            |        |             |                            |   |                               |  |                            |        |  |                            |        |                            |  |   |        |  |   |       
|---------------------------------------------------------------------------------- |  | -------------------------- | ------ | ----------- | -------------------------- | - | ----------------------------- |  | -------------------------- | ------ |  | -------------------------- | ------ | -------------------------- |  | - | ------ |  | - | ------
|STANADYNE HOLDINGS, INC.                                                           |  | Successor                  |        | Predecessor
|                                                                                   |  | Year EndedDecember31, 2006 |        |             | Year EndedDecember31, 2005 |   | 148 DaysEndedDecember 31,2004 |  | 218 DaysEndedAugust 5,2004 |        |  | Year EndedDecember 31,2003 |        | Year EndedDecember 31,2002
|(Loss) income from continuing operations before income taxes and minority interest |  | $                          | (2,591 | )           |                            | $ | 3,268                         |  | $                          | 6,528  |  | $                          | (6,194 | )                          |  | $ | 12,050 |  | $ | 2,394 
|Fixed charges deducted from earnings                                               |  |                            | 29,362 |             |                            |   | 28,568                        |  |                            | 8,899  |  |                            | 5,186  |                            |  |   | 8,863  |  |   | 10,032
|                                                                                   |  |                            |        |             |                            |   |                               |  |                            |        |  |                            |        |                            |  |   |        |  |   |       
|Earnings available for payment of fixed charges                                    |  | $                          | 26,771 |             |                            | $ | 31,836                        |  | $                          | 15,427 |  | $                          | (1,008 | )                          |  | $ | 20,913 |  | $ | 12,426
|                                                                                   |  |                            |        |             |                            |   |                               |  |                            |        |  |                            |        |                            |  |   |        |  |   |       
|Fixed charges:                                                                     |  |                            |        |             |                            |   |                               |  |                            |        |  |                            |        |                            |  |   |        |  |   |       
|Interest expense, net                                                              |  | $                          | 18,308 |             |                            | $ | 18,379                        |  | $                          | 7,576  |  | $                          | 4,335  |                            |  | $ | 7,184  |  | $ | 8,257 
|Amortization of deferred financing fees                                            |  |                            | 10,364 |             |                            |   | 9,490                         |  |                            | 1,031  |  |                            | 434    |                            |  |   | 952    |  |   | 1,029 
|Portion of rent deemed to be interest                                              |  |                            | 690    |             |                            |   | 699                           |  |                            | 292    |  |                            | 417    |                            |  |   | 727    |  |   | 746   
|                                                                                   |  |                            |        |             |                            |   |                               |  |                            |        |  |                            |        |                            |  |   |        |  |   |       
|Total fixed charges                                                                |  | $                          | 29,362 |             |                            | $ | 28,568                        |  | $                          | 8,899  |  | $                          | 5,186  |                            |  | $ | 8,863  |  | $ | 10,032
|                                                                                   |  |                            |        |             |                            |   |                               |  |                            |        |  |                            |        |                            |  |   |        |  |   |       
|Ratio of earnings (deficiency) to fixed charges                                    |  |                            | 0.9    |             |                            |   | 1.1                           |  |                            | 1.7    |  |                            | (0.2   | )                          |  |   | 2.4    |  |   | 1.2   
|                                                                                   |  |                            |        |             |                            |   |                               |  |                            |        |  |                            |        |                            |  |   |        |  |   |       



|                                                                                   |  |                            |        |                            |   |                                |  |                            |        |  |                            |        |                            |  |   |        |  |   |       
|---------------------------------------------------------------------------------- |  | -------------------------- | ------ | -------------------------- | - | ------------------------------ |  | -------------------------- | ------ |  | -------------------------- | ------ | -------------------------- |  | - | ------ |  | - | ------
|STANADYNE CORPORATION                                                              |  | Successor                  |        | Predecessor               
|                                                                                   |  | Year EndedDecember 31,2006 |        | Year EndedDecember 31,2005 |   | 148 Days EndedDecember 31,2004 |  | 218 DaysEndedAugust 5,2004 |        |  | Year EndedDecember 31,2003 |        | Year EndedDecember 31,2002
|Income from continuing operations (loss) before income taxes and minority interest |  | $                          | 5,837  |                            | $ | 10,793                         |  | $                          | 6,747  |  | $                          | (6,194 | )                          |  | $ | 12,050 |  | $ | 2,394 
|Fixed charges deducted from earnings                                               |  |                            | 21,037 |                            |   | 21,107                         |  |                            | 8,681  |  |                            | 5,186  |                            |  |   | 8,863  |  |   | 10,032
|                                                                                   |  |                            |        |                            |   |                                |  |                            |        |  |                            |        |                            |  |   |        |  |   |       
|Earnings available for payment of fixed charges                                    |  | $                          | 26,874 |                            | $ | 31,900                         |  | $                          | 15,428 |  | $                          | (1,008 | )                          |  | $ | 20,913 |  | $ | 12,426
|                                                                                   |  |                            |        |                            |   |                                |  |                            |        |  |                            |        |                            |  |   |        |  |   |       
|Fixed charges:                                                                     |  |                            |        |                            |   |                                |  |                            |        |  |                            |        |                            |  |   |        |  |   |       
|Interest expense, net                                                              |  | $                          | 18,321 |                            | $ | 18,379                         |  | $                          | 7,576  |  | $                          | 4,335  |                            |  | $ | 7,184  |  | $ | 8,257 
|Amortization of deferred financing fees                                            |  |                            | 2,026  |                            |   | 2,029                          |  |                            | 813    |  |                            | 434    |                            |  |   | 952    |  |   | 1,029 
|Portion of rent deemed to be interest                                              |  |                            | 690    |                            |   | 699                            |  |                            | 292    |  |                            | 417    |                            |  |   | 727    |  |   | 746   
|                                                                                   |  |                            |        |                            |   |                                |  |                            |        |  |                            |        |                            |  |   |        |  |   |       
|Total fixed charges                                                                |  | $                          | 21,037 |                            | $ | 21,107                         |  | $                          | 8,681  |  | $                          | 5,186  |                            |  | $ | 8,863  |  | $ | 10,032
|                                                                                   |  |                            |        |                            |   |                                |  |                            |        |  |                            |        |                            |  |   |        |  |   |       
|Ratio of earnings (deficiency) to fixed charges                                    |  |                            | 1.3    |                            |   | 1.5                            |  |                            | 1.8    |  |                            | (0.2   | )                          |  |   | 2.4    |  |   | 1.2   
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