KIMPEX SD6701837739 Top Pistons End Gasket Kit Bearings Ski Doo 78MM

( Brand: Kimpex ), ( Manufacturer Part Number: SD6701837739 ), ( Part Type: Gasket Bearing Piston ), ( Piston Type: Cast, Dual Ring ), ( Country Of Origin: Taiwan )

Review KIMPEX Ski doo 670 Pistons Top End Gasket Kit Bearings Bore 78mm fits FORMULA STD 1998

Introducing the Kimpex SD6701837739 Top End Gasket Kit for the 1998 Ski-Doo Formula 670 with standard 78mm bore size. This kit is a must-have for any Ski-Doo Formula 670 owner looking to keep their snowmobile in top condition or undergoing an engine overhaul.

The kit includes a comprehensive set of gaskets designed to seal the top end of the engine effectively. Each gasket is precision-engineered to provide a perfect fit and seal against cylinder head leaks, ensuring optimal engine performance and longevity.

This kit also comes with new standard-sized bearings for the engine. These high-quality bearings are specifically designed for the Ski-Doo Formula 670 engine and ensure a smooth, efficient operation of the engine's moving parts. The bearings are pre-lubricated, making installation simple and hassle-free.

1. Cylinder head gaskets

2. Valve cover gaskets

3. Timing cover gaskets

4. Intake manifold gaskets

5. Oil cooler gaskets

This comprehensive kit allows for a complete engine overhaul, ensuring that all sealing surfaces are replaced with new, high-quality components. Installing this kit will help prevent leaks, reduce engine wear, and improve overall performance.

The Kimpex SD6701837739 Top End Gasket Kit is a reliable and cost-effective solution for maintaining or restoring the engine in your 1998 Ski-Doo Formula 670. With its precise fit and high-quality components, you can trust that this kit will help keep your snowmobile running smoothly and efficiently on the snow.

Pros and Cons of Buying Kimpex SD6701837739 1998 Ski-Doo Formula 670 Top End Gasket Kit Bearings (Std 78mm)

a. Designed specifically for the 1998 Ski-Doo Formula 670 model, ensuring a perfect fit.

b. Includes pistons, top end gaskets, and bearings, making it a comprehensive kit for engine overhaul.

c. High-quality components from a well-known brand like Kimpex, ensuring durability and reliability.

d. Replacing worn-out parts can improve engine performance and increase the lifespan of the machine.

a. Installation can be a complex process, requiring some mechanical skills and tools.

b. The cost of the kit may be high compared to individual parts, but the convenience and time saved might justify the expense.

c. If the old parts are still in good condition, it may not be necessary to buy a new kit.

The Kimpex SD6701837739 1998 Ski-Doo Formula 670 Top End Gasket Kit Bearings (Std 78mm) is a valuable investment for those who own a 1998 Ski-Doo Formula 670 snowmobile and need to perform an engine overhaul. Although the cost may be significant, the convenience and peace of mind that comes with having high-quality, OEM-compatible components can be worthwhile. Additionally, replacing worn-out parts can improve performance and potentially increase the lifespan of the machine.

If you own a 1998 Ski-Doo Formula 670 snowmobile and have noticed signs of engine wear or poor performance, consider purchasing the Kimpex SD6701837739 Top End Gasket Kit Bearings. However, if you are unsure about the condition of the old parts, it may be wise to have a professional mechanic inspect them first to determine if a kit is truly necessary.

Details:

High-quality cast piston made with excellent materials to precise specifications. Pistons are PTFE coated to create the least amount of friction during break-in period. Pistons are for the standard bore 78mm. Manufactured to the original OEM specifications.

Fitment: 1998 Ski-Doo Formula Z 670. Includes 2 Pistons, rings, wrist pins, cir clips, caged pin bearings, and a top end gasket kit. Brand New Top End Engine Rebuild Kit Featuring Kimpex Pistons. Top end gasket kit includes all gaskets and seals pictured.

specifications enginesnowmobile:

• for models: Std, Formula
• for makes: Ski-doo
• for years: 1998
• brand: Kimpex
• mpn: Sd6701837739
• part type: Gasket Bearing Piston
• piston type: Cast, Dual Ring
• country of origin: Taiwan

seller enginesnowmobile:

• rating: 99.7%
• city: Traverse City, Michigan
• # reviews: 7941

shipping enginesnowmobile:

• service: USPS Ground Advantage, USPS Priority Mail, USPS Priority Mail Express
• carrier: USPS
• cost: $0.00
• transit: 3-8 Days
• class: Standard, Expedited
• type: Fixed

offer enginesnowmobile:

• quantity: 7
• options: Ship-to-home
• availability: In Stock
• started: February 9, 2026
• sold: 0

returns enginesnowmobile:

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

payments enginesnowmobile:

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

general enginesnowmobile:

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

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