SPORTS PARTS INC 5477-S302795-77 Spi Moly Piston Ski Doo KIT-0.50MM 76.50MM

( Brand: Sports Parts Inc ), ( Manufacturer Part Number: 5477-S302795-77 ), ( Part Type: Piston )

Review SPORTS PARTS INC Spi T moly Series Piston Kit-0.50mm Over To 76.50mm Ski doo fits 1990–1991

Introducing the 5477-S302795-77 SPI T-Molybdenum Piston Kit, specifically designed for 1990-1991 Ski-Doo models. This piston kit is an essential upgrade for those seeking superior engine performance and durability.

The T-Molybdenum material used in the manufacturing of these pistons boasts exceptional strength and resistance to wear and tear. With a piston diameter of 76.50mm and a compression height of 0.50mm, these pistons are meticulously engineered to fit perfectly in your Ski-Doo engine.

Each piston in this kit is meticulously crafted using a state-of-the-art forging process, ensuring uniformity and precision in shape and size. The piston skirts are designed with a special coating to reduce friction and promote smooth engine operation. The piston rings are made from a high-performance material that ensures a proper seal and minimizes blow-by.

This piston kit comes complete with all necessary components, including pistons, piston rings, and clips. The pistons are also pre-gapped for your convenience, ensuring a hassle-free installation process.

By upgrading to the 5477-S302795-77 SPI T-Molybdenum Piston Kit, you can expect improved engine performance, increased power output, and extended engine life. This piston kit is an investment in the longevity and optimal function of your Ski-Doo snowmobile.

Pros and Cons of Buying a 1990-1991 Ski-Doo 5477-S302795-77 SPI T-Moly Piston Kit-0.50mm 76.50mm

This article aims to provide an unbiased analysis of the pros and cons of purchasing a 1990-1991 Ski-Doo 5477-S302795-77 SPI T-Moly Piston Kit-0.50mm 76.50mm. The piston kit is designed for use in Ski-Doo snowmobiles manufactured between 1990 and 1991.

1. High-quality materials: The piston kit is made from T-Molybdenum material, which is known for its high strength, durability, and resistance to wear and tear.

2. Precise fit: The piston kit is designed specifically for Ski-Doo snowmobiles manufactured between 1990 and 1991, ensuring a precise fit and reducing the risk of engine damage due to misalignment.

3. Improved performance: The use of T-Molybdenum material can lead to improved engine performance, including increased power output and better fuel efficiency.

4. Reduced maintenance: The high-quality materials used in the piston kit can help reduce maintenance costs and engine downtime by increasing the lifespan of the pistons.

1. Cost: The piston kit can be quite expensive compared to other aftermarket piston kits or OEM alternatives.

2. Availability: Due to its specificity to Ski-Doo snowmobiles manufactured between 1990 and 1991, the piston kit may be harder to find and source compared to more commonly used piston kits.

3. Installation: Installing the piston kit may require specialized tools and knowledge, potentially adding to the overall cost and complexity of the project.

The 1990-1991 Ski-Doo 5477-S302795-77 SPI T-Moly Piston Kit-0.50mm 76.50mm offers several advantages, including high-quality materials, precise fit, improved performance, and reduced maintenance. However, these benefits come at a cost, both in terms of financial investment and potential installation complexity.

If you own a 1990-1991 Ski-Doo snowmobile and are experiencing piston-related issues, the 5477-S302795-77 SPI T-Moly Piston Kit-0.50mm 76.50mm may be a worthwhile investment for the long-term performance and durability benefits it offers. However, carefully consider the cost, availability, and installation requirements before making a purchase.

Alternatively, if the cost or complexity of the T-Moly piston kit is prohibitive, you may want to explore other aftermarket or OEM piston kit options that may be more readily available and affordable. Ultimately, the best choice for your specific situation will depend on your budget, the level of performance you require, and your willingness to invest time and resources into the project.

Details:

I need to exchange an item. SPI T-Moly Series Piston Kit-0.50mm Over to 76.50mm for 1990 1991 Ski-Doo Formula Mach 1 XTC: Bore. Parts without fitment are to be assumed universal and may require vehicle modification. Machined smooth heads, MOS 2 Coating: Draws heat through piston walls and out the bottom, Reduces friction, for added power longevity, Helps eliminate cold seizures, Increases durability, Hard anodized crowns, Hyper eutectic Cast.

Brand: Sports Parts Inc, model Number: 5477-S302795-77. This is helpful if you are buying multiple items.

part #: 5477s30279577 price

• $66.11

specifications enginesnowmobile:

• for makes: Skidoo, Ski-doo
• for years: 1990-1991
• brand: Sports Parts Inc
• mpn: 5477-s302795-77
• part type: Piston

payments enginesnowmobile:

• other
• credit card: Mastercard
• wallet: Paypal

returns enginesnowmobile:

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

seller enginesnowmobile:

• # reviews: 86751
• city: San Marcos, CA
• rating: 99.9%

general enginesnowmobile:

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

offer enginesnowmobile:

• sold: 0
• started: June 8, 2026
• quantity: 9
• availability: In Stock
• options: Ship-to-home

shipping enginesnowmobile:

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

Sports Parts Inc 5477-S302795-77 Is Similar To:

• 01-120-45 Sports Parts Inc Electrical Switch (32% similar) Gov federal and state noise emissions laws regulate modifications that affect from motor vehicles, Including motorcycles. USPS shipping service...(February 8th, 2019)
• 02-147 Sports Exhaust Grommet For Elan Snowmobile Parts (28.6% similar) We advise you to check with a licensed mechanic or speak the manufacturer direct before using any Parts purchased. Because issues are often solved over the phone with tech support, call manufacturer first and be sure to get name of whoever you speak if need. Products found to be defective with in a ...(November 11th, 2018)
• 07-100-53 Sports Parts Nachman Carburetor Mounting (28.2% similar) 5, bolt size is 34, throat depth 32, spigot diameter 40, and it fits VM30-34 carburetors model. Search by vehicle make. 6, bolthole is when on a product listing page, the bottom left is link ask question. This miking mounting flange has a bolt pattern of 74...(February 22nd, 2017)
• 09-521-1 Sports Parts Inc Spi Needle Bearing (33.3% similar) Gov federal and state noise emissions laws regulate modifications that affect from motor vehicles, Including motorcycles. USPS shipping service...(June 1st, 2019)
• 09-602 Sports Parts Inc Arctic Cat Zrt Panther Spi Piston (34.4% similar) Gilbert's, IL 60136PHONE: or...(September 12th, 2018)
• 09-602r Sports Parts Inc Ring Set (31.7% similar) on the continent of north America. Actual product may differ from the item shown in photograph. Ring sets by Sports Parts. Photos are for reference only...(August 22nd, 2018)
• 09-661r Sports Parts Inc Ring Set (31.7% similar) Actual product may differ from the item shown in photograph. Photos are for reference only. On the continent of north America. Ring sets by Sports Parts...(April 28th, 2018)
• 09-685r Sports Parts Inc Spi Piston Arctic Cat (39.5% similar) Your friends at classic cycle Parts appreciate business...(October 28th, 2018)
• 09-689-02n Sports Parts Inc Spi Piston Arctic Cat (38.7% similar) Your friends at classic cycle Parts appreciate business...(April 5th, 2019)
• 09-693-02 Sports Parts Inc Spi (29.4% similar) ...(February 6th, 2018)
• 09-693n Sports Parts Inc Ring Set (31.7% similar) on the continent of north America. Actual product may differ from the item shown in photograph. Photos are for reference only. Ring sets by Sports Parts...(July 29th, 2018)