WOSSNER RST7900 Piston Ring 79.00

( Brand: Wossner ), ( Manufacturer Part Number: RST7900 ), ( Part Type: Ring Piston ), ( Unit Of Measure: St ), ( Country Of Origin: Germany )

Review WOSSNER Piston Ring 79.00mm

The Wossner RST7900 piston ring is a top-tier replacement option for those seeking superior performance and durability for their engine. This piston ring is specifically designed for engines with a piston diameter of 79.00mm and is part of Wossnen's R-Line series, which is renowned for its high-performance capabilities.

The RST7900 piston ring is made from a specialized alloy, which provides excellent resistance to both thermal and mechanical stresses. Its cross-section is optimized for a perfect seal, ensuring efficient compression and combustion of the fuel-air mixture in the engine cylinder. The ring also features a precise, polished surface finish, which minimizes friction and reduces wear and tear on the engine components.

This piston ring is also designed with a nitrided surface treatment, which further enhances its durability and resistance to wear. The nitriding process imparts a hard, protective layer on the ring surface, preventing scuffing and scoring even under the most demanding conditions. The ring's edges are also beveled to ensure a smooth, even contact with the cylinder wall, reducing the risk of damage and ensuring a tight seal.

In terms of dimensions, the Wossner RST7900 piston ring has an outer diameter of 79.00mm, an inner diameter of 73.80mm, and a thickness of 2.5mm. The ring is also available in various groove configurations to accommodate different engine designs.

Overall, the Wossner RST7900 piston ring is an excellent choice for those looking for a high-performance, durable replacement option for their engine piston rings. Its advanced design, specialized materials, and precision manufacturing make it an ideal choice for high-performance applications and heavy-duty use. Whether you're a professional mechanic, a race team, or an enthusiast, this piston ring is sure to meet your needs and exceed your expectations.

Wossner RS-7900 piston rings are known for their high quality and durability in high-performance engines. Here are some pros and cons of buying this piston ring:

1. High-quality material: The Wossner RS-7900 piston rings are made of top-quality materials, including scratch-resistant alloy rings and low-friction, high-performance oil control rings.

2. Precision manufacturing: These piston rings are manufactured to the highest standards of precision and tolerance, ensuring a perfect fit and optimal engine performance.

3. Designed for high-performance engines: The Wossner RS-7900 piston rings are specifically designed for high-performance engines, where increased compression, power, and temperature can put more stress on the piston rings.

4. Long-lasting: These piston rings are known for their durability and long-lasting performance, even in the most demanding conditions.

5. Improved engine performance: Upgrading to high-performance piston rings like the Wossner RS-7900 can lead to improved engine performance, including increased power, torque, and fuel efficiency.

1. Cost: The Wossner RS-7900 piston rings are more expensive than OEM (original equipment manufacturer) piston rings.

2. Installation complexity: Installing high-performance piston rings like the Wossner RS-7900 can be more complex than installing OEM piston rings, requiring more time and expertise.

3. Potential for engine damage: Improper installation or use of the wrong piston rings can cause engine damage, such as scratched cylinder walls or piston damage.

4. May not be necessary for all engines: Not all engines require high-performance piston rings like the Wossner RS-7900. Upgrading may only be necessary for high-performance engines that require increased compression, power, and temperature handling.

The Wossner RS-7900 piston rings offer several advantages for high-performance engines, including improved durability, precision manufacturing, and performance enhancements. However, they come with a higher cost and installation complexity, and improper installation can lead to engine damage. Ultimately, whether or not to buy the Wossner RS-7900 piston rings depends on the specific requirements and demands of your engine, as well as your budget and installation capabilities.

If you have a high-performance engine and are looking for piston rings that offer improved durability, precision manufacturing, and performance enhancements, the Wossner RS-7900 piston rings are a great option to consider. However, if you have a stock engine or are not comfortable with the higher cost and installation complexity, you may want to consider OEM piston rings instead. It's also important to ensure that you have the proper tools and expertise to install the piston rings correctly to avoid any potential engine damage.

Details:

Features: Replacement ring for Wossner 2-stroke piston. Fitment: This part is compatible with the following makes model's. Unit of Measure ST. Manufacturer Part Number RST7900.

Position: Notes: 1998 2000Arctic Cat Powder Special 6 ZL ZR. Please verify your year, make, and model before purchasing. Condition New.

part #: rst7900 prices

• $22.69-$26.99

specifications enginesnowmobile:

• brand: Wossner
• mpn: Rst7900
• part type: Ring Piston
• unit of measure: St
• country of origin: Germany

general enginesnowmobile:

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

returns enginesnowmobile:

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

offer enginesnowmobile:

• options: Ship-to-home
• availability: In Stock
• sold: 0
• started: June 9, 2026
• quantity: 10

seller enginesnowmobile:

• rating: 99.7%
• # reviews: 98862
• city: Midland, Michigan

shipping enginesnowmobile:

• cost: $0.00
• type: Fixed
• service: USPS Ground Advantage
• carrier: USPS
• class: Standard
• transit: 3-9 Days

payments enginesnowmobile:

• wallet: Google-pay
• other
• credit card: Visa

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