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Wossner

PISTON KIT 02-07 KTM EXC450 89, WOSSNER WOSSNER 8581DB

PISTON KIT 02-07 KTM EXC450 89, WOSSNER WOSSNER 8581DB

Regular price £208.29 GBP
Regular price Sale price £208.29 GBP
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  • Piston Kit: Wossner 8581DB, with an 89.01mm bore (+0.01mm)
  • Applications:
    • KTM EXC 450 Racing (2003-2007)
    • Beta RR450 (2005-2009)
    • Polaris Outlaw 450 MXR (2008-2011)
  • Features:
    • Wossner forged pistons known for superior strength and design
    • Engineered for efficient combustion chamber heat transfer to cylinder walls
    • Elliptical design for a more uniform bearing surface under piston heat expansion, preventing collapse
  • Manufacturing: Made in Germany
  • Additional Parts:
    • Lock: CW20
    • Pin: WP038
    • Ring Set: 890XSY
  • Specifications:
    • Displacement: 449 cm³
    • Hub Stroke: 72.00mm
    • Clearance: 0.04mm
    • Compression Ratio: OEM specified (11.10:1)
    • Dome Volume: +7.10cm³
    • Compression Height: 23.50mm
    • Theoretical Weight: Not provided

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