Northeast Division (D1) - For technical questions, call 844-468-7631 (844-HOTROD1), Email: techdl@nhra.com

Southeast Division (D2) - For technical questions, call 844-468-7631 (844-HOTROD1), Email: techdl@nhra.com 

North Central Division (D3) Technical Specialist: Joe Lease
For technical questions, call 626-253-3294, Email: jlease@nhra.com

South Central Division (D4) - Technical Specialist: Matt Plotkin
Phone: 626-505-4339, Email: mplotkin@nhra.com 

West Central Division (D5) Technical Specialist: Rob Silvy
Phone: 816-795-6127, Fax: 816-795-0515, Email: rsilvy@nhra.com

Northwest Division (D6) Technical Specialist: Russ Smith
Phone: 253-365-3956, Email: rsmith@nhra.com

Pacific Division (D7) Technical Specialist: Pat Cvengros
Phone: 626-250-2295, Email: pcvengros@nhra.com

National Technical Services Representatives:
For technical questions, call 844-468-7631 (844-HOTROD1), Tech Services Email: TechDL@nhra.com