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

• 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

Majority of our listings are for a direct replacement for your original part.

Our parts are made of quality and are designed to meet or exceed the original OEM Standards.

Our products are often a cost effective alternative to genuine OEM Parts.

Please note: the models of bike we state in our listings are for general guidance only. Please make sure this item will fit your bike before purchasing. Also, we cannot guarantee fitment to any non-UK models.