Serpent 401665 Aluminium Shock Cap - Touring Car Shock Top  [SER401665]

Serpent SER401665 Shock cap Aluminium 4-X (2)
Price:
£8.84
Brand:
Serpent
Model:
SER401665
Condition:
Brand New
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Upgrade the Top End of Your Serpent 4X

The Serpent 401665 Aluminium Shock Cap is produced to fit the Project 4X Touringcar EP 190mm and provides a robust aluminium top cap for damper assemblies. Its construction aims to extend part life and support consistent shock operation during repeated running.

Aluminium vs Plastic Caps

Aluminium caps give improved resistance to deformation and abrasion compared with plastic alternatives, which helps maintain a secure seal and consistent damping characteristics over time.

Compatibility with Project 4X Shock Units

These caps are manufactured to align with the Project 4X shock geometry so they slot into the existing setup without adapters. They are a practical replacement or upgrade when you want steadier suspension performance.

Yes, its aluminium build is well suited to routine club running and provides better wear resistance than standard plastic caps, reducing replacement frequency.
You may notice slightly crisper damping response because the aluminium cap reduces flex at the shock top, which can make small changes in handling feel more consistent.
Clean mating surfaces, inspect O rings, and replace any seals that look worn. Re-check the cap seating after a few runs to confirm no loosening or leaks.

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