2Bros Parts

PISTON KIT KTM 520 525 EXC SX, WOSSNER 8637DA KTM 00-09 HC 59030007000

$243.28

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Delivery to United States 5–8 business days

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Wossner high-compression forged piston kit. Designed for superior strength and optimal heat transfer, these pistons feature an elliptical design to ensure uniform bearing surface under heat expansion, reducing localized pressure and preventing piston collapse. Manufactured in Germany. Specifications include bore size of 95.00mm, actual bore diameter of 94.95mm, displacement of 510 cm³, stroke of 72.00mm, clearance of 0.05mm, Wossner compression ratio of 12.50:1, OEM compression ratio of 11.00:1, dome volume of +4.60 cm³, compression height of 23.50mm, lock part number CW20, pin part number WP029, and ring set part number 950ADS-2. Cross-reference OEM part number 59030007000.

Specifications
SKU
56-W216+00A.WO
Brand
Wossner
Availability
In Stock (2)
General Product Group
Engine
General Product Type
Pistons & Kits
Variant Id
255043
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Wossner High-Compression Forged Piston Kit

Upgrade your KTM or Beta motorcycle with this Wossner high-compression forged piston kit. Engineered for enhanced strength and performance, this piston kit is designed to optimize your engine's power output and efficiency. Manufactured with precision in Germany, Wossner pistons are known for their superior quality and durability.

This piston kit features an innovative elliptical design. This advanced design ensures a uniform bearing surface even under extreme heat expansion, effectively reducing localized pressure points and preventing premature piston collapse. This translates to a more reliable and longer-lasting engine.

Key Features:

  • High-compression forged construction for maximum performance gains.
  • Elliptical piston design for even thrust load distribution and prevention of piston collapse.
  • Optimized for superior heat transfer, leading to more efficient combustion.
  • Precision manufactured in Germany for exceptional quality and reliability.

Specifications:

  • Bore Size: 95.00mm
  • Actual Bore Diameter: 94.95mm
  • Displacement: 510 cm³
  • Stroke: 72.00mm
  • Clearance: 0.05mm
  • Wossner Compression Ratio: 12.50:1
  • OEM Compression Ratio: 11.00:1
  • Dome Volume: +4.60 cm³
  • Compression Height: 23.50mm
  • Lock Part Number: CW20
  • Pin Part Number: WP029
  • Ring Set Part Number: 950ADS-2

Cross-Reference OEM Part Numbers:

  • 59030007000
Before you buy

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Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details

Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy

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