SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (date of earliest event reported): September 16, 2014

ENPRO INDUSTRIES, INC.

(Exact name of Registrant, as specified in its charter)

5605 Carnegie Boulevard, Suite 500

Charlotte, North Carolina 28209

(Address of principal executive offices, including zip code)

(704) 731-1500

(Registrant’s telephone number, including area code)

Not Applicable

(Former name or address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

On September 16, 2014, EnPro Industries, Inc. (the “Company”) issued $300 million in aggregate principal amount of its 5.875% Senior Notes due 2022 (the “Senior Notes”) pursuant to an Indenture (the “Indenture”) dated as of September 16, 2014 among the Company, certain of its subsidiaries listed below and U.S. Bank National Association, as trustee. The description of the Indenture set forth herein is qualified in its entirety by reference to the Indenture, which includes the form of the Senior Notes, filed as Exhibit 4.1 hereto, which is incorporated by reference herein.

The Senior Notes are unsecured, unsubordinated obligations of EnPro and mature on September 15, 2022. Interest on the Senior Notes accrues at a rate of 5.875% per annum and is payable semi-annually in cash in arrears on March 15 and September 15 of each year, commencing March 15, 2015.

Subsidiary Guarantees.

The Senior Notes are required to be guaranteed on a senior unsecured basis by each of the Company’s existing and future direct and indirect domestic subsidiaries that is a borrower under, or guarantees, the Company’s indebtedness under its senior secured revolving credit facility or guarantees any other Capital Markets Indebtedness (as defined in the Indenture) of the Company or any of the guarantors. Upon issuance, the Senior Notes were guaranteed by the following Company subsidiaries:

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Ranking.

The Senior Notes and the guarantees constitute senior obligations of the Company and the guarantors and:

Optional Redemption.

On or after September 15, 2017, the Company may on any one or more occasions redeem all or a part of the Senior Notes at the redemption prices (expressed as percentages of principal amount) set forth below, plus accrued and unpaid interest and additional interest, if any, on the Senior Notes redeemed, to the applicable date of redemption, if redeemed during the twelve-month period commencing on September 15 of the years set forth below:

In addition, the Company may redeem up to 35% of the aggregate principal amount of the Senior Notes before September 15, 2017 with the net cash proceeds from certain equity offerings at a redemption price of 105.875% of the principal amount plus accrued and unpaid interest, if any, to, but not including, the redemption date. The Company may also redeem some or all of the Senior Notes before September 15, 2017 at a redemption price of 100% of the principal amount, plus accrued and unpaid interest, if any, to, but not including, the redemption date, plus a “make whole” premium.

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Repurchase Right upon a Change of Control.

If a “change of control” (as defined in the Indenture) occurs at any time, each holder of the Senior Notes will have the right to require the Company to repurchase all or any part of such holder’s Senior Notes at a purchase price in cash equal to 101% of the principal amount of Senior Notes being repurchased, plus accrued and unpaid interest, if any, to, but excluding, the date of repurchase, except to the extent the Company has previously or concurrently elected to redeem notes as described above.

Restrictive Covenants.

The Indenture contains covenants that, among other things, limit the Company’s ability and the ability of its Restricted Subsidiaries (as defined in the Indenture) to:

These covenants are subject to important exceptions and qualifications set forth in the Indenture.

Events of Default.

The Indenture also provides for certain events of default (subject, in certain cases, to receipt of notice of default and/or customary grace or cure periods), including, but not limited to:

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Exchange Offer; Registration Rights.

In connection with the issuance of the Senior Notes, the Company entered into a registration rights agreement (the “Registration Rights Agreement”) in which it agreed to:

If the Company has not completed the exchange offer on or before the 300th day after September 16, 2014, the exchange offer registration statement ceases to be effective during the period required under the Registration Rights Agreement or, if applicable, a shelf registration statement covering resales of the Senior Notes has not been filed or declared effective within 300 days after September 16, 2014 or such shelf registration statement ceases to be effective at any time during the two-year period the shelf registration period is required to be kept effective (subject to certain exceptions), each of which is referred to as a “registration default,” then additional interest will accrue on the principal amount of the Senior Notes at a rate of 0.25% per annum for the first 90-day period immediately following the occurrence of such registration default and by an additional 0.25% per annum with respect to each subsequent 90-day period, up to a maximum additional rate of 1.00% per annum thereafter, until the registration default has been cured.

The Registration Rights Agreement, which is filed as Exhibit 10.1 to this Current Report, is incorporated herein by reference.

On September 16, 2014, the Company issued a press release announcing that it had completed the previously announced offering of $300.0 million aggregate principal amount of its Senior Notes. The press release is filed as Exhibit 99.1 hereto and is incorporated herein by reference.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: September 16, 2014

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EXHIBIT INDEX

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