Serpent SER903774 Solid Flex Inserts for S989 (2pc)  [SER903774]

Improve Chassis Consistency on the Viper 989 GP

The Serpent SER903774 Flex Insert Solid helps reduce unwanted flex in key areas of the Viper 989 GP chassis. This two-piece insert set is aimed at drivers who want steadier feedback lap after lap.

Intended Use and Fit

Produced to match the Viper 989 GP series, the inserts fit into the existing slots and alter chassis stiffness without major disassembly. They work well on smooth club circuits and race tracks.

Fitting Checklist

Make sure each insert sits true and that screws are torqued to spec. After fitting, run short test sessions to confirm the changes before a full race program.