Serpent 600716 - SL8 XLI 811GT 2-Speed Gearbox Kit Lightweight Track Upgrade  [SER600716]

Performance upgrade for Cobra GT with Serpent 600716

Built to lift on-track performance, the Serpent 600716 2-Speed Gearbox Kit is a practical upgrade for Cobra GT owners. First used on the Cobra GT 3.0, this unit is also a strong option for earlier Cobra GT cars that need better speed control and drivetrain efficiency.

Featherweight design for sharper lap times

The SL8 XLI 811GT gearbox uses high quality aluminum to cut mass while keeping strength where it matters. Its lighter construction, influenced by the Viper 977 layout, helps reduce rotational weight for improved acceleration and crisper handling during corner exits.

Fitment notes and required parts

Installing the SL8 XLI 811GT requires new aluminum center blocks for proper alignment and mounting. You should also replace the clutchbell pinions with the specified #903646 type to take full advantage of the 2-speed ratios. These updates ensure reliable operation and smooth shifting.

For Cobra GT pilots chasing better acceleration and refined speed control, the Serpent 600716 2-Speed Gearbox Kit is a solid, well engineered upgrade that pays off on the lap board.