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Ref : PRO00320A / 1122550002
Prox

Prox Forged Piston kit

Recommended retail price: 223,86 €190,20 €

Compatibility

Check that this part fits your motorcycle

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Features

PROX Forged Piston — manufacturer reference 01.2453.B. Designed for the Cross domain, this forged aluminum piston is intended for demanding 450 cc engines. Its construction from a specific alloy minimizes friction and contributes to consistent performance, while adhering to the assembly tolerances required by high-performance kits.

  • Brand: PROX
  • Reference: 01.2453.B
  • Diameter: Ø 96.960 mm (96.96 mm)
  • Piston Compression: Standard
  • Oversize Letter: B
  • Material: Forged Aluminum
  • Number of Rings: Kit
  • Universe: Cross

Ideal for preparations and reassembly during engine maintenance, this PROX piston meets the expectations of riders looking for a quality replacement part for their 450. To be installed with the original rings and specifications or the intended kit, it integrates with the corresponding shafts and liners to restore functional clearances.

Main Compatibilities: YAMAHA YZ 450 F (2026), FANTIC XXF 450 (2026), YAMAHA WR 450 F (2026). Always check the diameter and oversize before installation.