2Bros Parts

PISTON KIT 03-04 GAS GAS 450, WOSSNER 8585DA FORGED

$243.35

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Delivery to United States 5–8 business days

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Wossner forged piston kit with superior strength and performance. Engineered for optimal heat transfer from the combustion chamber to cylinder walls. The elliptical design ensures a uniform bearing surface under heat expansion, reducing localized pressure and distributing thrust loads evenly to prevent piston collapse. Manufactured in Germany. Features: Forged construction for enhanced durability. Optimized heat transfer for improved performance. Elliptical design prevents localized pressure and piston collapse. OEM compression ratio for direct replacement. Specifications: Bore 94.95 mm, Piston Size 95.00 mm, Displacement 449 cm³, Stroke 62.60 mm, Clearance 0.05 mm, Wossner Compression Ratio OEM, OEM Compression Ratio Not specified, Dome Volume -6.40 cm³, Compression Height 25.50 mm. Cross-Reference OEM Part Numbers: Lock CW20, Pin WP038, Ring Set 950XSY.

Specifications
SKU
56-W025.WO.A
Brand
Wossner
Availability
In Stock (3)

Fitments (6)

MakeModelYear
GAS-GASEC 4502003
GAS-GASEC 4502004
GAS-GASFSE 4502003
GAS-GASFSE 4502004
GAS-GASHP 4502003
GAS-GASHP 4502004
General Product Group
Engine
General Product Type
Pistons & Kits
Variant Id
254301
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Wossner Forged Piston Kit

Upgrade your engine's performance and durability with this Wossner forged piston kit. Engineered in Germany, this piston is designed for superior strength and optimal heat transfer from the combustion chamber to the cylinder walls. Its advanced elliptical design ensures uniform bearing surface under heat expansion, effectively reducing localized pressure and evenly distributing thrust loads to prevent piston collapse under extreme conditions.

Key Features:

  • Forged Construction: Provides enhanced strength and longevity compared to cast pistons.
  • Optimized Heat Transfer: Facilitates efficient heat dissipation for improved engine performance and reliability.
  • Elliptical Design: Prevents localized pressure points and ensures even distribution of thrust loads, mitigating the risk of piston collapse.
  • OEM Compression Ratio: Designed for a direct replacement experience, maintaining original engine performance characteristics.

Specifications:

  • Bore: 94.95 mm
  • Piston Size: 95.00 mm
  • Displacement: 449 cm³
  • Stroke: 62.60 mm
  • Clearance: 0.05 mm
  • Dome Volume: -6.40 cm³
  • Compression Height: 25.50 mm

Included Components:

  • Lock: CW20
  • Pin: WP038
  • Ring Set: 950XSY
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.

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