Serpent 903219 PRO Centax-II Clutch Assembly with Ceramic Bearings  [SER903219]

Serpent SER903219 Centax-II Clutch set PRO
Price:
£45.00
Brand:
Serpent
Model:
SER903219
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High-Consistency Centax-II Clutch Upgrade

The Serpent 903219 PRO Centax-II clutch assembly is aimed at racers needing dependable, repeatable clutch behaviour. Ceramic bearings and precision-machined parts combine to lower friction and maintain smooth operation over extended use.

Features That Improve Clutch Control

  • Lightweight Clutch Bell: Lowers rotational inertia for improved throttle response.
  • Ceramic Bearings: Provide reduced friction and longer operating life compared with standard bearings.
  • Hardened Clutch Spring: Sets a firmer engagement point while preserving full shoe movement.
  • Aluminum SPP Clutch Plate: Supplied with the yellow clutch shoe for reliable contact consistency.
  • Machined Flyweights: Fitted as standard to refine activation and throttle feedback.

Specifications

  • Clutch Housing: SP-909513 Centax II Light
  • Support Plate: SP-903212 Aluminum SPP
  • Flyweights: SP-903199
  • Coil Spring: SP-909520 1.8 Hard
  • Bearing: SP-1380 5x13 Ceramic
  • Thrust Bearing: SP-1388 5x10 Ceramic

The Serpent 903219 PRO Centax-II is a practical upgrade for drivers who prioritise consistent clutch engagement and reduced drivetrain friction during competitive use.

Reducing rotating mass and friction can sharpen throttle response, which helps acceleration out of tight corners when the rest of the setup is optimised.
Replacement bearings are commonly available as spare parts. Check part number SP-1380 for the 5x13 ceramic bearing and SP-1388 for the 5x10 thrust bearing.
Installation uses standard hand tools and the supplied hardware. A torque driver and basic clutch alignment checks are recommended to ensure proper fit and operation.
The hardened 1.8 spring gives a firmer engagement threshold, which can reduce chatter and provide a sharper transition when accelerating, depending on shoe setup and engine tuning.

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