2Bros Parts

PISTON KIT 07-09 CRF150R 66 HC, WOSSNER 8662DB 12.5:1 COMP

$171.24

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Delivery to United States 5–8 business days

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The Wossner 8662DB forged piston kit features a 66.01mm bore and a 12.5:1 compression ratio for high-compression applications. Manufactured in Germany, this piston offers enhanced durability and thermal efficiency with an elliptical design that ensures even load distribution during heat expansion, minimizing stress and the risk of failure. Specifications include a 65.96mm actual bore diameter, 149 cm³ display, 43.70mm hub stroke, 0.05mm clearance, 20.60mm compression height, -1.80 cm³ dome volume, and an OEM compression ratio of 11.70:1. This kit includes piston, lock, pin, ring set, and rod.

Specifications
SKU
56-W4924+00B.WO
Brand
Wossner
Availability
In Stock (2)
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
66mm
Variant Id
256393
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Wossner 8662DB Forged Piston Kit 66.01mm Bore 12.5:1 Compression

Upgrade your Honda CRF150R with the Wossner 8662DB forged piston kit. This high-performance piston is engineered for superior durability and thermal efficiency in high-compression applications. Manufactured in Germany, it features an elliptical design that ensures even load distribution during heat expansion, significantly reducing localized stress and minimizing the risk of piston failure.

Key Features:

  • Forged high-compression piston for enhanced strength and performance.
  • Optimized for superior heat transfer from the combustion chamber to the cylinder walls.
  • Elliptical design maintains a consistent bearing surface during thermal expansion.
  • Reduces the likelihood of piston collapse under intense pressure.
  • German-made for precision and quality.

Specifications:

  • Bore: 66.01 mm
  • Actual Bore Diameter: 65.96 mm
  • Displacement: 149 cm³
  • Stroke: 43.70 mm
  • Piston Clearance: 0.05 mm
  • Compression Height: 20.60 mm
  • Dome Volume: -1.80 cm³
  • Wossner Compression Ratio: 12.50:1
  • OEM Compression Ratio: 11.70:1
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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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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