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Peripheral Damping Pistons - Mi5evo (2)

Peripheral Damping Pistons - Mi5evo (2)

Brand: Schumacher

Part No: SCH-U4803

£3.79 RRP £3.99

Shadow Stock: Usually ships within 2 days

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The Schumacher U4803 Peripheral Damping Pistons are designed to deliver a progressive damping response for high-grip touring car racing. Developed for use with the Mi5evo platform, this system helps minimise tyre contact patch load fluctuations over small bumps, keeping the tyre in contact with the surface more consistently for enhanced grip and improved lap times.

The damping characteristic varies with piston position inside the shock body: it is softest at the bottom of the stroke where the peripheral volume is greatest, and firmest near the top where the sleeve opening is smallest. This creates a progressively increasing damping effect with bump and roll, compared with the more linear feel of standard kit dampers.

Key Features

  • Progressive damping action for smoother handling on bumpy tracks
  • Helps maintain consistent tyre contact and traction
  • Sold as a pair for one axle or two shocks

What’s Included

  • Peripheral Damping Pistons (2)

Required to Complete

  • Schumacher U4802 pistons (required)

Suggested Compatibility

  • Schumacher Mi5evo shock absorbers

Setup Tip

  • Begin with the same shock oil as the kit setup and tune as needed.
U4803 - Peripheral Damping Pistons - Mi5evo - (pr)

Peripheral Damping Pistons - Mi5evo - (pr)


Peripheral Damping Pistons for the Mi5evo shocks, sold as pairs. Requires U4802 pistons to complete.

The Schumacher peripheral damping system has been developed for touring cars to help minimise tyre contact patch load fluctuations, caused by small bumps in the track surface. This means the tyre remains in contact with the ground more often, resulting in more grip and improved lap times!

The damping characteristic is dependent upon the position of the piston within the shock body. The damping is softest when the piston is at the bottom of the shock, at which point the peripheral volume is at its greatest. Conversely the damping is hardest when the shock is at the top of the body, and the sleeve has the smallest opening. As a consequence of this, the damping characteristic progressively increases with bump/roll, compared to the kit damper assembly which offers linear damping throughout the damping stroke.

Begin by building the shocks with the same shock oil as the kit shock assembly, and adjust as necessary.



Key Info:
  • Brand: Schumacher
  • Part No: SCH-U4803
  • Barcode: 5051294097455
Standard Shipping

£3.95 to most of the UK

Express Shipping

£6.95 to most of the UK

Worldwide Shipping

Available at checkout

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