Wossner Piston Kit 99.42mm +0.50mm Oversize for Polaris RZR 570

Elevate your Polaris RZR 570 or Sportsman 570's engine performance and reliability with the precision-engineered Wossner 99.42mm +0.50mm oversize piston kit. Designed for riders who demand superior durability and a perfect fit for their engine rebuilds or performance upgrades, this kit provides the foundation for a robust and long-lasting powerplant.

Description

This Wossner piston kit is meticulously crafted to meet the rigorous demands of off-road riding, offering an exceptional blend of strength and lightweight design. With a bore size of 99.42mm and a +0.50mm oversize, it's specifically engineered for Polaris RZR 570 models from 2012-2021 and Sportsman 570 models from 2014-2025, ensuring a precise fit after your cylinder has been professionally bored and honed. Each Wossner high-performance piston is forged from a premium high-silicon aluminum alloy, known for its excellent heat resistance and reduced thermal expansion, which translates to a tighter piston-to-wall clearance and enhanced longevity. The advanced design minimizes friction and wear, providing optimal power delivery and improved throttle response across all RPMs. Investing in a Wossner piston kit means choosing a component trusted by professionals for its unwavering quality and performance.

Features & Highlights

• High-Strength Forged Construction: Engineered from a superior high-silicon aluminum alloy for exceptional durability and resistance to extreme engine conditions, ensuring a longer lifespan for your ATV's engine.
• Precision Oversize Fit: Specifically designed with a 99.42mm bore and +0.50mm oversize to restore optimal compression and performance in cylinders requiring a bore-out, providing a perfect fit and seal.
• Optimized Skirt Design: Features an advanced piston skirt profile that reduces friction and wear, promoting smoother operation and enhancing overall engine efficiency.
• Enhanced Heat Dissipation: The robust material and design contribute to superior heat management, preventing pre-ignition and maintaining consistent power output even under heavy loads.
• Complete Rebuild Solution: Includes the high-quality piston, piston rings, wrist pin, and circlips, offering a comprehensive package for a professional and reliable engine rebuild.
• Application-Specific Design: Tailored for exact compatibility with Polaris RZR 570 (2012-2021) and Sportsman 570 (2014-2025) models, guaranteeing OEM-level fitment and performance.

Technical Specifications

• Brand: Wossner
• Piston Diameter: 99.42mm
• Oversize: +0.50mm
• Application: Polaris RZR 570 (2012-2021), Polaris Sportsman 570 (2014-2025)
• MPN/SKU: 09106111
• Vendor Part Number: 8951D050

Important to Know

• Professional installation is highly recommended to ensure proper fitment and engine performance.
• Installation of this +0.50mm oversize piston requires professional boring and honing of the cylinder to the correct specification.
• Gasket kit and additional engine seals are not included and must be purchased separately.

Free shipping to GLS parcel shop parcel box for purchases over DKK 1,000.

GLS home delivery costs DKK 59.

We do our best to ship your order as quickly as possible. All orders are generally packed within 24 hours on weekdays.

There is a 14-day return policy. Read more