2Bros Parts

PISTON KIT 09-11 KTM400 EXC 95, FORGED WOSSNER 8806DA

$230.95Only 1 left

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Delivery to United States 5–8 business days

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Wossner 95mm Bore Piston Kit (PN# 8806DA). This forged piston provides superior strength and efficient heat transfer, ensuring durability and optimal engine performance. Its elliptical design creates a uniform bearing surface under heat expansion, reducing localized pressure and evenly distributing thrust loads to prevent piston collapse. Manufactured in Germany, this piston meets OEM compression standards. Features include high-strength forged piston for enhanced durability, optimized heat transfer for improved performance, elliptical design prevents piston collapse and ensures even load distribution, and manufactured in Germany. Specifications: Bore: 95mm, Actual diameter: 94.95mm, Display (cm³): 398, Stroke (mm): 55.50, Clearance (mm): 0.05, Compression Ratio: OEM, OEM Compression Ratio: 11.10:1, Dome Volume (cm³): -0.20, Compression Height (mm): 22.80. Cross-Reference OEM Part Numbers: Lock: CW19, Pin: WP071, Ring Set: 950ADS-2.

Specifications
SKU
56-W4739.A.WO
Brand
Wossner
Availability
In Stock (1)

Fitments (6)

MakeModelYear
HUSABERGFE 3902010
HUSABERGFE 3902011
HUSABERGFE 3902012
KTM400 EXC2009
KTM400 EXC2010
KTM400 EXC2011
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
95mm
Variant Id
256021
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Wossner 95mm Forged Piston Kit for KTM EXC400

This Wossner 95mm Bore Piston Kit is engineered for superior strength and exceptional heat transfer, delivering optimal engine performance and longevity. The advanced forged construction ensures enhanced durability, while the unique elliptical piston design promotes a uniform bearing surface under extreme temperatures. This innovative design effectively reduces localized pressure and evenly distributes thrust loads, preventing piston collapse and ensuring consistent operation.

Manufactured to meet OEM compression standards, this piston is a high-performance upgrade for your motorcycle.

Key Features:

  • High-strength forged piston for enhanced durability and reliability.
  • Optimized heat transfer for improved engine performance and efficiency.
  • Elliptical design prevents piston collapse and ensures even load distribution.
  • Manufactured in Germany to exacting standards.
  • Meets OEM compression ratios for seamless integration.

Specifications:

  • Bore: 95mm
  • Actual Diameter: 94.95mm
  • Display (cm³): 398
  • Stroke (mm): 55.50
  • Clearance (mm): 0.05
  • Compression Ratio: OEM
  • OEM Compression Ratio: 11.10:1
  • Dome Volume (cm³): -0.20
  • Compression Height (mm): 22.80

Included Components:

  • Lock: CW19
  • Pin: WP071
  • Ring Set: 950ADS-2
Before you buy

QUESTIONS? JUST ASK

Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).

Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.

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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Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.

More answers in our FAQ.

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