EXHIBIT 21.1

SUBSIDIARIES OF STANADYNE CORPORATION

Precision Engine Products Corp., a Delaware company incorporated in USA

Precision Engine Products LTDA, a commercial limited liability company
incorporated in Brazil

Stanadyne Automotive Foreign Sales Corporation, a company incorporated in U.S.
Virgin Islands (dissolved December 30, 2002)

Stanadyne, SpA, a S.p.A. company incorporated in Italy

Stanadyne Amalgamations Private Limited (joint venture formed October 22, 2001),
a private limited company incorporated in India