Serpent 401121 Aluminium Stiffener Posts S400 S411 Upgrade  [SER401121]

Improve Chassis Control with Serpent 401121

Competitors seeking steadier handling will find the Serpent 401121 Aluminium Stiffener Posts an effective option. Engineered for the S400 and S411 platforms, these posts reduce chassis flex and help maintain predictable weight transfer. The machined aluminium construction combines durability with a modest weight profile.

What Aluminium Stiffeners Deliver

These posts add targeted rigidity to key chassis areas, aiding sharper turn-in and sturdier mid-corner behaviour. Their strength helps when running aggressive lines or when setup demands consistent lap-to-lap feedback. The construction also tolerates repeated assembly and track wear.

Compatibility and Simple Fitment

Manufactured to suit the Serpent S400 and S411 mounting points, the stiffener posts fit directly without permanent changes. Installation is quick using common hand tools; always verify fastener torque and body clearance after fitting to avoid contact issues.