Serpent 903896 - Viper 990R Aluminum 2-Speed Bearing Block Precision Alloy Part  [SER903896]

Precision alloy upgrade for 990R drivetrains

Replace the standard unit on a Serpent Viper 990R with this machined aluminum 2-speed bearing block to sharpen gear engagement and reduce drivetrain deflection. The part maintains bearing alignment during aggressive cornering and repeated runs, helping the car feel steadier through transitions. Suited to enthusiasts who maintain and tune their own cars.