fits model: Xc, Sp, 700. make: Polaris. year: 1999–2001.

( Brand: Prox Racing Parts Spi ), ( Manufacturer Part Number: 19901POL700XCSPTEK81PX ), ( Part Type: Bearing Gasket Piston ), ( Modified Item: No ), ( Country/region Of Manufacture: Taiwan ), ( Custom Bundle: Yes ), ( Applicable Regions: All ), ( Compatible Year: 1999, 2000, 2001 ), ( Piston Surface Finish: Has Teflon Skirt Coating ), ( Pistons Replace Oem Polaris Part Number: 2202237, 2201358 ), ( Piston Type: Cast, Dual Ring ), ( Piston Size: Standard Bore 81mm ), ( Vehicle Type: Snowmobile ), ( Compatible Model: 700 Xc Sp ), ( Bundle Description: Includes, 1 Top End Gasket Kit, 2 Wrist Pin Bearings )
The Polaris 700 XC SP Top End Kit is a comprehensive solution designed for the maintenance and upgrade of 1990 to 2001 Polaris 700 XC SP snowmobiles. This kit includes essential components needed to revitalize the top end of your engine, providing excellent performance and reliability.
The heart of this kit is the Racing SPI 81mm piston. Made from high-quality materials, these pistons deliver outstanding strength, durability, and power. This upgrade allows for increased compression, resulting in significant performance improvements. The Racing SPI pistons come pre-gasged and ready to install, saving time and effort required for the routine piston preparation process.
Bearings are another crucial item in this top end kit. These spherical roller bearings are precision engineered and manufactured to ensure smooth engine operation and reliable power delivery. The kit includes the following bearings: crankshaft bearing, connecting rod bearings, and camshaft bearings.
The top end kit is completed with a high-performance gasket, specifically designed for 1990-2001 Polaris 700 XC SP sleds. This gasket ensures a perfect seal between the cylinder head and engine block, preventing any harmful leakage and providing efficient combustion. It's made from high-temperature materials to ensure lasting quality and performance even under the most demanding conditions.
Installing this kit is a cinch for any experienced rider or mechanic. It covers all crucial top end components, allowing for a comprehensive engine maintenance or upgrade in one convenient package. This upgrade provides multiple benefits such as improved horsepower, longer engine life, and enhanced durability. If you're looking to boost the performance of your 1990-2001 Polaris 700 XC SP, this top end kit, featuring Racing SPI 81mm pistons, bearings, and gasket, is an excellent place to start.
The Polaris 700 XC SP is a popular snowmobile model with a consistent following. This piston, bearings, and top gasket kit (81mm Racing SPI) is designed for these machines. Here's an in-depth analysis of the product, followed by a conclusion and recommendation.
**Pros:**1. Compatibility: This kit is specifically designed for the 1990-2001 Polaris 700 XC SP models, ensuring a perfect fit.
2. Improved Performance: By replacing the worn-out pistons, bearings, and top gasket, you can improve engine efficiency, power, and reliability.
3. High-Quality Material: UsingOSTEMCO's Racing SPI pistons indicates premium materials with better durability than the stock components.
4. Enhanced Oil Management: The piston design is said to help improve oil management in the engine, which could lead to longer engine life and fewer issues.
5. Rebuilding vs. Replacing: This kit enables you to rebuild your exiting engine instead of purchasing a new one, saving you time and money in the long run.
**Cons:**1. Cost: Though this kit might save you money compared to replacing an entire engine, it does come with a higher upfront price than an average repair job or stock components.
2. Labor Costs: If you're not confident in your mechanical abilities, you may rely on professional assistance to install the kit which increases the overall expenses.
3. Out of Stock: Before purchasing, make sure that OEM pistons, bearings, and gaskets are available. Sometimes, these parts can be hard-to-find, given their age.
**Conclusion:**The 1990-2001 Polaris 700 XC SP Pistons, Bearings, and Top Gasket Kit (81mm Racing SPI) offers numerous benefits, such as improved performance, potential cost savings, and a perfect fit. There are some cons, such as the high upfront cost and the need for professional installation if you're not confident in your abilities.
**Recommendation:**If you own a 1990-2001 Polaris 700 XC SP and are considering upgrades, this kit would be an excellent investment to boost performance and reliability. Prepare yourself for the higher upfront cost and ensure that all the parts are available before starting your project. Snowmobile enthusiasts with mechanical experience could save even more by installing the kit themselves. However, if your goal is a cost-effective solution with minimal labor input, you may want to weigh the pros and cons and consider spare parts for a more immediate, less expensive repair.
Pistons are for the standard bore 81mm. Anodized piston dome for increased protection against excessive heat. Usage of high-quality rings for optimum heat transfer and sealing. Brand new top end engine rebuild kit.
Includes 2 Prox pistons, rings, wrist pins, cir clips, pin needle bearings, and a high quality Spi top end gasket kit. Made from hyper eutectic alloy for extra strength and reduced expansion.
Full mos2 skirt coating for improved breaking in and resistance to scuffing.