PISTON KIT 81-82 GPZ1100 KAW, WOSSNER K8819D150-4 PIN 17mm, KAWASAKI
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Wossner 74mm bore piston kit with a 17mm pin. Forged in Germany for strength and performance, this piston is engineered for efficient heat transfer and uniform load distribution under thermal expansion. Its elliptical design reduces localized stress and helps prevent piston failure. Features: forged construction for superior strength and durability, designed for optimal combustion chamber heat dissipation, elliptical profile ensures uniform bearing surface under heat expansion, even thrust load distribution reduces risk of piston collapse, manufactured in Germany. Specifications: Bore 74mm (Standard), Actual bore 73.94mm, Display volume 1135 / 1166 cm³, Stroke 66.00mm, Clearance 0.06mm, Wossner compression ratio 10.30:1, OEM compression ratio 18.90:1, Dome volume +16.50 cm³, Compression height 25.30mm, Pin diameter 17mm, Lock Part Number CW17, Pin Part Number WP083, Ring Set Part Number 790XDS. Cross-Reference OEM Part Numbers: 56-W9811.74.WO, K8819D150-4.
- SKU
- 56-W9811.74.WO
- Brand
- Wossner
- Availability
- In Stock (1)
Fitments (2)
| Make | Model | Year |
|---|---|---|
| KAWASAKI | GPZ 1100 | 1981 |
| KAWASAKI | GPZ 1100 | 1982 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- Variant Id
- 258796
FULL DESCRIPTION
Wossner 74mm Piston Kit
This Wossner piston kit features a 74mm bore and is designed for high performance and durability. Forged in Germany, this piston is engineered for efficient heat transfer and uniform load distribution, even under extreme thermal expansion. Its specialized elliptical design actively reduces localized stress, helping to prevent piston failure in demanding conditions.
Key Features
- Forged construction ensures superior strength and longevity.
- Engineered for optimal heat dissipation from the combustion chamber.
- Elliptical profile guarantees a uniform bearing surface during heat expansion.
- Even thrust load distribution minimizes the risk of piston collapse.
- Precision manufactured in Germany.
Specifications
- Bore: 74mm (Standard)
- Actual Bore: 73.94mm
- Display Volume: 1135 / 1166 cm³
- Stroke: 66.00mm
- Clearance: 0.06mm
- Wossner Compression Ratio: 10.30:1
- OEM Compression Ratio: 18.90:1
- Dome Volume: +16.50 cm³
- Compression Height: 25.30mm
- Pin Diameter: 17mm
- Lock Part Number: CW17
- Pin Part Number: WP083
- Ring Set Part Number: 790XDS
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