Wossner forged piston kit designed for durability and optimized heat transfer. Engineered with an elliptical shape for uniform bearing surface distribution, preventing piston collapse. Manufactured in Germany for high performance and reliability.

Features

• Forged construction for superior strength and longevity


• Optimized heat transfer for efficient combustion


• Elliptical design for even thrust load distribution


• Manufactured in Germany


• Set includes two piston kits

Specifications

• Piston Size: 79.94mm


• Bore: 80mm


• Oversize: Standard


• Clearance: 0.06mm


• Display: 633 cm³


• Stroke: 63.00mm


• Compression Ratio: 11.00:1


• OEM Compression Ratio: 9.90:1


• Dome Volume: -0.40 cm³


• Compression Height: 26.00mm


• Lock Part Number: CW20


• Pin Part Number: WP052


• Ring Set Part Number: 800XDS

Cross-Reference OEM Part Numbers

• Wossner K8863DA-2


• 13001-1574


• 4782M08000

Vehicle Fitments

• Kawasaki Brute Force 650 (2005-2010)


• Kawasaki Prairie 650 Twin Cylinder (2002-2003)