2Bros Parts

PISTON KIT XR400 TRX400 88.00, FORGED WOSSNER 8604D300

$202.13

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Delivery to United States 5–8 business days

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Wossner forged piston kit with an 88mm bore, designed for Honda XR400R motorcycles and TRX400 series ATVs. Manufactured in Germany, this high-performance piston enhances strength, heat transfer, and durability. The elliptical design ensures uniform bearing surface distribution, reducing localized pressure and preventing piston collapse. Features forged construction for superior strength and durability, optimized heat transfer to cylinder walls, elliptical design for uniform bearing surface under heat expansion, increased compression ratio for improved engine performance, and is made in Germany. Specifications: Bore 88mm (87.94mm actual), Display 397 cm³, Stroke 70.00mm, Clearance 0.06mm, Wossner Compression Ratio 11.00:1, OEM Compression Ratio 10.00:1, Dome Volume +3.20 cm³, Compression Height 26.20mm. Cross-Reference OEM Part Numbers include Wossner Piston 8604D300, Lock CW20, Pin WP052, Ring Set 880XSY, Rod P4021. Weight 446g.

Specifications
SKU
56-W4606+300.WO
Brand
Wossner
Availability
In Stock (2)
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
88mm
Variant Id
255776
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Wossner Forged Piston Kit 88.00mm

This high-performance Wossner forged piston kit features an 88mm bore and is engineered for enhanced strength, durability, and improved engine performance. Manufactured in Germany, this piston utilizes advanced design principles to optimize heat transfer and ensure uniform bearing surface distribution under heat expansion.

Key Features:

  • Forged Construction: Provides superior strength and exceptional durability for demanding applications.
  • Optimized Heat Transfer: Effectively transfers heat to cylinder walls, contributing to efficient engine operation.
  • Elliptical Design: Ensures uniform bearing surface distribution, reducing localized pressure and preventing piston collapse during operation.
  • Increased Compression Ratio: Achieves an 11.00:1 compression ratio (compared to OEM 10.00:1) for a noticeable boost in engine performance.
  • Premium Quality: Made in Germany, ensuring high manufacturing standards and reliability.

Specifications:

  • Bore Size: 88.00mm (actual 87.94mm)
  • Displacement: 397 cm³
  • Stroke: 70.00mm
  • Piston Clearance: 0.06mm
  • Wossner Compression Ratio: 11.00:1
  • OEM Compression Ratio: 10.00:1
  • Dome Volume: +3.20 cm³
  • Compression Height: 26.20mm
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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