Wossner forged piston kit with an 85.00mm bore, designed for Polaris 400 models. Engineered for optimal combustion chamber heat transfer and uniform bearing surface under heat expansion, reducing localized pressure and piston collapse. Manufactured in Germany for durability and precision.

Features

• Forged piston for superior strength and design


• Optimized heat transfer to cylinder walls


• Elliptical design for uniform bearing surface and even thrust load distribution


• Manufactured in Germany

Specifications

• Bore: 85.00mm (+2.00mm oversize)


• Standard size piston (PN# 8097D200)


• Lock Part Number: CW18


• Pin Part Number: WP039


• Ring Set Part Number: RSC8500 x2


• Displacement: 378 cm³


• Stroke: 70.00mm


• Clearance: 0.07mm


• Wossner Compression Ratio: 2-stroke


• OEM Compression Ratio: 2-stroke


• Compression Height: 38.00mm

Cross-Reference OEM Part Numbers

• Not provided

Vehicle Fitments

• Polaris 400L (1994-2003)


• Polaris 400 Xplorer/Sport (1993-2002)


• Polaris 400 Scrambler (1995-2002)


• Polaris 400 Trail Blazer (1994-2003)