WOSSNER RST7850 Piston Ring 78.50

( Brand: Wossner ), ( Manufacturer Part Number: RST7850 ), ( Part Type: Ring Piston )

Review WOSSNER Piston Ring 78.50mm

Introducing the Wossner RST7850 piston ring, a high-performance component designed to deliver exceptional results in your engine. This piston ring, with an outside diameter of 78.50 millimeters, is part of Wossner Rings' Racing Series Technology (RST) product line, which is renowned for its superior strength and durability.

The Wossner RST7850 piston ring is meticulously engineered using state-of-the-art manufacturing processes to ensure precise dimensions and exceptional surface finishes. Its cross-sectional design features a 2-piece construction with a top ring and an oil control ring, both made from high-tensile, heat-treated alloy steel. This design provides increased compression and superior sealing performance, even under the most demanding conditions.

The top ring in the Wossner RST7850 piston ring features a unique, pressure-formed, split-type design. This design allows the ring to expand slightly during the initial compression stroke, ensuring a perfect seal against the cylinder wall. As the engine cylinder pressure builds, the ring contracts, providing optimal compression. The split-type design also simplifies the installation process, making it easier for mechanics to install and remove the ring.

The oil control ring in the Wossner RST7850 piston ring is designed to minimize oil consumption and prevent oil from entering the combustion chamber. Its specially formulated, low-friction coating ensures a smooth operation, reducing wear and tear on the ring and the engine components. The oil control ring is also manufactured with a precise, interference fit to ensure a perfect seal against the cylinder wall.

In summary, the Wossner RST7850 piston ring is a high-performance component that delivers exceptional sealing performance, increased compression, and reduced oil consumption. Its advanced design, precise manufacturing, and high-quality materials make it an ideal choice for high-performance and racing applications, where reliability and durability are paramount.

Wossner RST7850 piston rings are known for their high quality and durability in automotive applications. Here are some pros and cons to consider before making a purchase:

1. Superior Material: Wossner RST7850 piston rings are made of high-quality materials, such as chrome aluminum alloy, which provides excellent resistance to wear and tear.

2. Precision Manufacturing: These piston rings are manufactured with precision, ensuring a perfect fit and optimal performance.

3. Enhanced Engine Performance: Wossner RST7850 piston rings help improve engine performance by reducing friction and providing a better seal between the piston and the cylinder wall.

4. Longer Ring Life: The high-quality materials and precision manufacturing of these piston rings contribute to a longer lifespan compared to standard piston rings.

1. Higher Cost: Compared to standard piston rings, Wossner RST7850 piston rings are more expensive due to their high-quality materials and manufacturing process.

2. Not Suitable for All Engines: These piston rings are specifically designed for high-performance and racing applications, and may not be suitable for all types of engines.

3. Installation Requires Expertise: Installing Wossner RST7850 piston rings requires a certain level of expertise, as they need to be installed with precision to ensure optimal performance.

Wossner RST7850 piston rings offer several advantages, including improved engine performance, longer ring life, and superior materials. However, they come with a higher cost and may not be suitable for all types of engines. If you're looking for high-performance piston rings for your racing or high-performance engine, then Wossner RST7850 piston rings are an excellent choice. However, if you're looking for a more cost-effective solution or if your engine doesn't require high-performance piston rings, then standard piston rings may be a better option for you.

If you're in the market for high-performance piston rings for your racing or high-performance engine, then Wossner RST7850 piston rings are a great choice. However, be prepared for the higher cost, and make sure that you have the expertise to install them correctly to ensure optimal performance. If you're looking for a more cost-effective solution, then consider standard piston rings or explore other options in the market before making a decision.

Details:

Replacement ring for Wossner 2-stroke piston.

part #: rst7850 prices

• $18.50-$26.99

specifications enginesnowmobile:

• brand: Wossner
• mpn: Rst7850
• part type: Ring Piston

returns enginesnowmobile:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

seller enginesnowmobile:

• city: Orange, California
• rating: 99.9%
• # reviews: 32346

general enginesnowmobile:

• condition: New
• Snowmobile Parts > Engines Components > Snowmobile Engine Components

shipping enginesnowmobile:

• service: FedEx Ground / FedEx Home Delivery
• cost: $0.00
• transit: 4-7 Days
• type: Fixed
• class: Standard
• carrier: FedEx

offer enginesnowmobile:

• started: March 14, 2026
• options: Ship-to-home
• quantity: 4
• sold: 0
• availability: In Stock

payments enginesnowmobile:

• other
• wallet: Paypal
• credit card: Visa

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