Neenah Foundry (ACPQL) 10-Q 2008 Q3 Quarterly report

Exhibit 32.2

Certification of Chief Executive Officer and Chief Financial Officer of Neenah Foundry Company pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Solely for the purposes of complying with 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, we, the undersigned President and Chief Executive Officer, and Corporate Vice President — Finance and Interim Chief Financial Officer of Neenah Foundry Company (the “Company”), hereby certify, based on our knowledge, that the Quarterly Report on Form 10-Q of the Company for the quarter ended June 30, 2008 (the “Report”) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

DATE: August 13, 2008

/s/ Robert E. Ostendorf, Jr.  

Robert E. Ostendorf, Jr. 

President and Chief Executive Officer 

/s/ Jeffrey S. Jenkins  

Jeffrey S. Jenkins 

Corporate Vice President — Finance
and Interim Chief Financial Officer