Serpent 401743 Linear Arm Extension Set Left & Right  [SER401743]

Chassis refinement using Serpent 401743 extensions

The Serpent 401743 Arm Extension Linear Left & Right Set is aimed at drivers who want to tune roll behaviour and steering balance on 4X series cars. These extensions provide a simple way to adjust leverage and improve predictability in corners.

Greater control for race day consistency

Extending the arms adjusts how weight transfers during turns, which helps reduce unsettled handling and makes the car easier to drive consistently over a stint.

Durable design for repeated track use

Made from robust components, the extensions are intended to resist wear and maintain reliable geometry so you can focus on setup rather than frequent part swaps.

A solid tuning option for competitors seeking steadier handling and reduced setup sensitivity.