Heffner dans l'ordre chronologique

Heffner Twin-Turbo Viper SRT10 '2004

Heffner Twin-Turbo Viper SRT10 '2004
Heffner Twin-Turbo Viper SRT10 '2004
Heffner Twin-Turbo Viper SRT10 '2004
Panneau avant Heffner Twin-Turbo Viper SRT10 '2004

Heffner Camilo Edition Twin-Turbo GT '2008

Heffner Camilo Edition Twin-Turbo GT '2008
Heffner Camilo Edition Twin-Turbo GT '2008
Heffner Camilo Edition Twin-Turbo GT '2008
Sous la capuche Heffner Camilo Edition Twin-Turbo GT '2008

WheelsAge.org '2005–prés.