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Description
Keep your sled running smooth all season long with the Sports Parts Inc. (SPI) Snowmobile Slide. Built with precision and durability in mind, these high-quality replacement slides are engineered to reduce friction, extend track life, and provide consistent performance in all riding conditions.
Features:
- Durable Construction – Made from tough, wear-resistant material for long-lasting reliability.
- OEM Fit & Performance – Designed to meet or exceed original manufacturer standards for a seamless replacement.
- Smooth Track Operation – Reduces drag and heat buildup for better efficiency and longer track life.
- Easy Installation – Direct-fit design allows for quick replacement with minimal tools.
- Trusted Brand – Sports Parts Inc. is a leader in aftermarket snowmobile parts, ensuring quality you can count on.
Why You’ll Love It:
Whether you’re carving fresh trails, racing across lakes, or tackling tough backcountry terrain, the SPI Snowmobile Slide ensures your ride stays smooth and dependable. By minimizing wear and friction, it helps protect your sled’s suspension and track system—so you can spend more time riding and less time in the shop.
- Fits a variety of makes and models
- Perfect for seasonal maintenance or mid-season replacement
- Affordable performance upgrade from a trusted name in snowmobile parts
Technical Specifications
- MFG. Part Number 627-66-87
Vehicle Information
Polaris Cobra 440 Snowmobile (1978-1979)
The Polaris Cobra 440, available in 1978 and 1979, is a classic two-up snowmobile known for its reliability, comfort, and smooth performance. These models were powered by a consistent 432cc Fuji twin-cylinder, fan-cooled engine (EC44PM-01) across both model years. There were no significant generation breaks or engine changes reported between the 1978 and 1979 models. The Cobra 440 was offered as a single model, without distinct trims, emphasizing a proven and stable design. FAQ:
Q: How can I ensure parts compatibility for my Polaris Cobra 440?
R: Use the year and model selector on this page to find parts specific to your vehicle.
Maintenance
| Component | Interval | Details |
| Engine Oil and Filter | 25 hours or 800 km (break-in), then 50 to 100 hours or 1,600 km, or annually | Always replace the filter when changing the oil. |
| Drive Belt | Inspect every 50 hours | Replace if cracks, fraying, or exposed cords are visible. |
| Spark Plug | As needed | Inspect and replace as needed. Use recommended spark plugs with the proper gap. |
| Air Filter | Inspect at 8,000 km, clean at 16,000 km or as needed | Clean or replace depending on riding environment. |
| Coolant | Seasonal inspection of level and strength, annual pressure test | Complete drain and refill every five years (for some systems). |