Serpent SL8 light 2-speed shaft
Serpent introduce this lightweight SL8 2-speed layshaft for the Viper 977 car. The hollow axle is made from hardened, balanced and ground spring steel for a maximum in precision and durability. Two flat spots ensure a secure fit of the pulley adaptor grub screws. Being around 30 percent lighter than the stock part using the shaft makes for a lighter and more agile behaving drivetrain.
Source: Serpent [serpent.com]