2Bros Parts

PISTON KIT XR XLR 500 90.50, FORGED WOSSNER 8642D150

$243.41

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Delivery to United States 5–8 business days

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Wossner forged piston kit with a 90.50mm bore (90.44mm) for Honda XR400, XLS400, XLR500, XLS500, and XR500R models. Designed for superior strength and heat transfer efficiency, this piston ensures optimal combustion performance. The elliptical design distributes thrust loads evenly, reducing localized pressure and preventing piston collapse. Manufactured in Germany. Features: Forged piston for increased strength and durability. Optimized heat transfer for improved performance. Elliptical design ensures uniform bearing surface under heat expansion. Even thrust load distribution to prevent piston collapse. Manufactured in Germany. Specifications: Bore Size: 90.50mm (90.44mm). Compression Ratio: 9.0:1. Part Number: 8642D150. Lock Part Number: CW21. Pin Part Number: WP034. Ring Set Part Number: 905XSY. Displacement: 449 cm³. Stroke: 64.00mm. Clearance: 0.06mm. OEM Compression Ratio: 8.6:1. Dome Volume: +0.00 cm³. Compression Height: 29.70mm.

Specifications
SKU
56-W310+150
Brand
Wossner
Availability
In Stock (2)
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
90.5mm
Variant Id
255378
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Wossner Forged Piston Kit 90.50mm Bore

Upgrade your motorcycle's performance with this Wossner forged piston kit. Engineered for superior strength and optimal combustion, this piston is designed to enhance your engine's power and reliability. Manufactured in Germany, Wossner pistons are known for their precision and durability.

Key Features:

  • Forged Construction: Provides exceptional strength and resistance to high temperatures and pressures, ensuring long-lasting performance.
  • Optimized Heat Transfer: Designed for efficient heat dissipation, contributing to improved engine performance and longevity.
  • Elliptical Design: Ensures an even bearing surface under heat expansion, reducing wear and preventing piston collapse.
  • Even Thrust Load Distribution: Minimizes localized pressure on cylinder walls, further enhancing durability.
  • Precision Manufacturing: Made in Germany to exacting standards for a perfect fit and optimal function.

Specifications:

  • Bore Size: 90.50mm (90.44mm)
  • Compression Ratio: 9.0:1
  • Part Number: 8642D150
  • Lock Part Number: CW21
  • Pin Part Number: WP034
  • Ring Set Part Number: 905XSY
  • Displacement: 449 cm³
  • Stroke: 64.00mm
  • Clearance: 0.06mm
  • OEM Compression Ratio: 8.6:1
  • Dome Volume: +0.00 cm³
  • Compression Height: 29.70mm
Before you buy

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Call or email us with your make, model and year 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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