SPI K092561-710238-09503 Top End Repair Kit .010 F/c 73.25MM

( Brand: Spi ), ( Manufacturer Part Number: K092561-710238-09503 ), ( Country Of Origin: Taiwan )

Review SPI .010 Over Bore Top End Repair Kit Polaris F/c 73.25mm fits 550 1999–2021

Introducing the SPI K092561-710238-010 Top End Repair Kit, specifically designed for the Polaris 550 FC snowmobiles manufactured between 1999 and 2021. This repair kit is an essential toolkit for anyone looking to maintain or restore their Polaris 550 FC's engine.

The repair kit includes all the necessary components to address common top-end engine issues. These parts are meticulously engineered to ensure they fit and function seamlessly with your Polaris 550 FC's engine. The kit comprises:

1. New cylinder head gasket: This gasket forms a tight seal between the cylinder head and the engine block, preventing coolant and oil from mixing and ensuring optimal engine performance.

2. New piston rings: The piston rings help contain the compression of the engine, improving combustion efficiency and reducing power loss.

3. New cylinder head studs and nuts: These components secure the cylinder head to the engine block and help maintain the integrity of the engine's structure.

4. New valve guides and valve seat inserts: These parts ensure proper valve alignment and sealing, allowing for optimal engine performance and durability.

5. New valve springs and retainers: The valve springs control the opening and closing of the engine's intake and exhaust valves, while the retainers secure them in place.

6. New camshaft oil seals: These seals prevent oil leakage from the camshaft, maintaining the engine's cleanliness and reducing the risk of damage.

7. New timing cover gasket: This gasket seals the connection between the engine block and the timing cover, preventing oil leaks and maintaining the engine's internal pressure.

By using this comprehensive Top End Repair Kit, you can confidently address various engine issues, ensuring your Polaris 550 FC continues to perform optimally. Whether you're a seasoned snowmobiler or a weekend enthusiast, this repair kit is an indispensable addition to your toolbox.

Pros and Cons of buying a SPI K092561-710238-09503 010 Top End Repair Kit for Polaris 550 FC (1999-2021, 73.25mm)

a. Comprehensive Kit: This repair kit is designed to provide all the necessary components for a top end rebuild on Polaris 550 FC snowmobiles from 1999 to 2021.

b. OEM Quality: The parts in this kit are manufactured by SPI, which is a well-known and reputable OEM (Original Equipment Manufacturer) for Polaris.

c. Time-Saving: By purchasing a complete kit, you can save time as opposed to buying each part individually.

d. Cost-Effective: In the long run, buying a repair kit can be more cost-effective than paying for labor costs at a shop.

a. Upfront Cost: The cost of a repair kit like this can be significant, especially for those on a budget. However, consider the potential savings from avoiding labor costs and the long-term reliability.

b. Complexity: A top end rebuild can be a complex process, and this kit is intended for those with some mechanical aptitude. If you're not comfortable with this type of work, consider hiring a professional.

The SPI K092561-710238-09503 010 Top End Repair Kit for Polaris 550 FC (1999-2021, 73.25mm) offers several advantages, including comprehensive coverage, OEM quality, time-saving potential, and cost-effectiveness in the long run. However, the upfront cost and complexity of the repair process are potential drawbacks. Ultimately, if you have the necessary skills and are willing to invest in a high-quality kit, this could be an excellent choice for maintaining or restoring the performance of your Polaris 550 FC snowmobile.

If you're confident in your mechanical abilities and are looking for a high-quality, OEM top end repair kit for your Polaris 550 FC snowmobile (1999-2021, 73.25mm), the SPI K092561-710238-09503 010 Top End Repair Kit is a solid investment. Keep in mind that this is a complex repair process, so make sure you have all the necessary tools and resources before starting the project.

Details:

Top end gasket kit contains all gaskets pictured to rebuild top oil seals not included. Includes 2 pistons, ring sets, wrist pins, cir clips, top bearings and end gasket kit. 1999 Trail RMK 550. Pistons are for .010 over bore size 73.25mm.

Made in Taiwan. Manufactured by SPI. All pistons, rings, pins and cir clips are manufactured to OEM specifications. T-Molly series pistons reduce friction, resist seizure improve durability.

T-Molly series with Teflon-Molybdenum coating. Piston weight compatible with original piston. Compatible with Polaris model's below: 1999 Super Sport 550.

part #: k09256171023809503 price

• $149.95

specifications enginesnowmobile:

• for models: 550
• for makes: Polaris
• for years: 1999-2021
• brand: Spi
• mpn: K092561-710238-09503
• country of origin: Taiwan

seller enginesnowmobile:

• city: Suamico, Wisconsin
• # reviews: 397883
• rating: 99.7%

shipping enginesnowmobile:

• service: Standard
• type: Fixed
• transit: 3-7 Days
• class: Standard
• cost: $0.00

returns enginesnowmobile:

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

offer enginesnowmobile:

• sold: 0
• quantity: 3
• availability: In Stock
• started: December 19, 2025
• options: Ship-to-home

payments enginesnowmobile:

• wallet: Apple-pay
• other
• credit card: Diners-club

general enginesnowmobile:

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

Spi K092561-710238-09503 Is Similar To:

• 1 09-694n Spi Piston Kit Arctic Cat El Tigre Standard 802024086769 (22.1% similar) After seeing that success forward was born. Many other companies just put up what they think the parts fit. More excess inventories were hunted down and sold. Shipping in continental us is free. We branched out into specific parts people need to keep their machines going. A deal was made and that ...(May 8th, 2018)
• 1 09-699n Spi Piston Kit Arctic Cat Cheetah El Tigre 802024086806 (21% similar) A deal was made and that inventory sold online over the next few months as sideline job. After seeing that success forward was born. Many other companies just put up what they think the parts fit. Shipping in continental us is free. We branched out into specific parts people need to keep their ...(June 11th, 2018)
• 1 09-701n Spi Piston Kit Polaris Tx Standard Bore 802024086981 (30.2% similar) Shipping in continental us is free. We branched out into specific parts people need to keep their machines going. Many other companies just put up what they think the parts fit. A deal was made and that inventory sold online over the next few months as sideline job. After seeing that success forward...(June 16th, 2018)
• 1 09-711063da Spi Complete Engine Gasket Set Full Kit Arctic 642141103907 (25.9% similar) You can then purchase the correct item at any time. Please with any questions about a warranty on particular item. Post office. There is no combined shipping discount. You can use the ask a question link near bottom of every listing. Complete engine gasket set manufactured by Spi contains all ...(August 27th, 2018)
• 1 09-711191 Spi Complete Engine Gasket Set Kit Polaris Indy 642141104638 (32% similar) Shipping in continental us is free. We branched out into specific parts people need to keep their machines going. Many other companies just put up what they think the parts fit. A deal was made and that inventory sold online over the next few months as sideline job. More excess inventories were ...(July 5th, 2018)
• 1 09-711265 Spi Complete Engine Gasket Kit Polaris Indy Rmk 703624226923 (33.1% similar) After seeing that success forward was born. Shipping in continental us is free. More excess inventories were hunted down and sold. Many other companies just put up what they think the parts fit. We branched out into specific parts people need to keep their machines going. A deal was made and that ...(July 15th, 2018)
• 1 09-711307a Spi Complete Engine Gasket Kit Polaris Rmk Es 703624226855 (34.5% similar) Spi complete engine gasket kit polaris 700 Mk 155 es CFO set manufactured by contains all gaskets pictured to rebuild an engine, including oil seals with stainless steel springs for maximum performance and corrosion resistance. More excess inventories were hunted down and sold. Shipping in ...(July 13th, 2018)
• 1 09-712-06 Spi Over Bore Piston Kit Polaris Indy Classic 642141104522 (49.1% similar) We branched out into specific parts people need to keep their machines going. Shipping in continental us is free. 50MM snow season is upon us and here a chance to freshen up that snowmobile for the year. Many other companies just put up what they think the parts fit. A deal was made and that ...(May 25th, 2018)
• 1 09-716-02 Spi Over Bore Piston Kit Polaris Indy Xcr 802024087438 (51.5% similar) Shipping in continental us is free. 020 over bore size 65. After seeing that success forward was born. 020 over bore piston kit polaris Indy 600 Cr, XLT, triumph 65. Many other companies just put up what they think the parts fit. We branched out into specific parts people need to keep their machines...(July 1st, 2018)
• 1 09-716-03n Spi Over Bore Piston Kit Polaris Indy Xcr Xlt Triumph (49.1% similar) More excess inventories were hunted down and sold. 030 over bore piston kit polaris Indy 600 Cr, XLT, triumph 65. Many other companies just put up what they think the parts fit. 030 over bore size 65. After seeing that success forward was born. We branched out into specific parts people need to keep...(July 2nd, 2018)
• 1 09-726-02 Spi Over Bore Piston Kit Polaris Rmk Widetrack 703624230999 (40.5% similar) More excess inventories were hunted down and sold. 020 over bore piston kit polaris 500 Mk sidetrack classic touring 72. We branched out into specific parts people need to keep their machines going. Many other companies just put up what they think the parts fit. A deal was made and that inventory ...(June 28th, 2018)