Return Cores With This Sheet
Return cores within 30 Days to receive a full refund to the address on sheet.
Warren Diesel Test and Inspection Form
Please fill this form out and place inside the package with the product. If this form is illegible, there may be a delay in inspection.
Injector Rebuild or Upgrade Form
Do your injectors just need a refresh? Maybe you want to upgrade them to a larger size. Call us at 866-276-2511 to get a quote. Once you send your injectors in, please fill this form out and place inside the package with the injectors that you plan to have rebuilt or upgraded.