Serpent SER600716 2-speed set SL8 XLI 811GT
Already standard in Cobra GT 3.0, but a great optional for previous Cobra GT. The lighter 2-speed gearbox regarding the Viper 977, which need the latest version alu center blocks to be mounted.
To use the new 2-speed gearbox additionally the latest type pinions on the clutchbell are needed # 903646