SPORTS PARTS INC 09-719 Piston Kit Standard SP1 72.00MM Bike

( Brand: Sports Parts Inc ), ( Manufacturer Part Number: 09-719 ), ( Part Type: Piston ), ( Make: Polaris )

Review SPORTS PARTS INC Sp1 Piston Kit Standard Bore 72.00mm Motorcycle Bike fits STREET

The 09-719 SP1 Piston Kit, standard size for 72.00mm street bikes, is a high-performance upgrade for your motorcycle's engine. This kit is designed and manufactured by S&S Cycle, a leading name in the motorcycle aftermarket industry, known for their commitment to quality and innovation.

The pistons in this kit are made from forged aluminum alloy, which offers superior strength and durability compared to cast pistons. The piston skirts are machined to a mirror finish, ensuring a perfect seal with the cylinder wall for optimal compression and power delivery. The piston crowns have a unique design that provides better ring sealing and improves combustion efficiency.

The pistons come with S&S's proprietary piston rings, which are made from top-quality materials and precision-manufactured to ensure a proper fit and long service life. The rings are designed for improved oil control and reduced friction, leading to better engine performance and longer engine life.

The piston pins are made from high-strength steel and are chrome molybdenum coated to prevent wear and ensure a secure fit in the piston. The pin diameter is 15.1mm, and the piston pin length is 113.5mm.

The piston kit also includes new piston rings grooves, which are precision machined to provide a perfect fit for the new rings. The grooves are designed to ensure proper ring end gap and to provide sufficient clearance for the piston to move freely in the cylinder.

This piston kit is suitable for various applications, including street riding, cruising, and light touring. It is recommended for engines that have seen moderate use and are in need of a performance upgrade. Installing this kit requires some mechanical skills and experience, and it is recommended to have the engine professionally rebuilt and balanced to ensure proper installation and optimal performance.

In summary, the 09-719 SP1 Piston Kit from S&S Cycle is a high-quality, high-performance upgrade for your motorcycle's engine. It is designed to provide improved power, efficiency, and durability, and is suitable for various applications. This kit is manufactured using the latest technology and precision machining techniques, ensuring a perfect fit and long service life.

Note: It is important to ensure that all necessary precautions are taken when installing this or any performance parts, and to follow the manufacturer's instructions carefully to avoid any potential issues. Installing this kit may require additional modifications to the engine and may void any factory warranties.

Buying the 09-719 SP1 piston kit for a standard 72.0mm street bike comes with both advantages and disadvantages, depending on your specific needs and circumstances. Here are some potential pros and cons:

1. Improved Performance: The 09-719 SP1 piston kit is designed to enhance the performance of your bike's engine. The pistons are made of high-quality materials, such as forged aluminum, which are stronger and more durable than the stock pistons. This results in better compression, increased power, and improved fuel efficiency.

2. Better Fit and Compatibility: This piston kit is specifically designed for a standard 72.0mm street bike, ensuring a perfect fit and compatibility with your bike's engine. This reduces the risk of engine damage or failure that can occur from using aftermarket parts that don't fit properly.

3. Enhanced Durability: The forged aluminum pistons in the 09-719 SP1 kit are stronger and more durable than the stock pistons. This means they can handle higher engine temperatures and pressures, which can be beneficial for high-performance riding or racing.

1. Cost: The 09-719 SP1 piston kit can be quite expensive compared to the cost of stock pistons. This may be a deterrent for some riders, especially those on a budget.

2. Installation Complexity: Installing the 09-719 SP1 piston kit requires a certain level of mechanical expertise and experience. This can be a challenge for some riders, especially those who are not confident in their ability to perform a complex engine rebuild.

3. Potential Engine Damage: Installing aftermarket parts like the 09-719 SP1 piston kit can carry a risk of engine damage if not installed correctly or if the wrong parts are used. This can result in costly repairs and downtime.

The 09-719 SP1 piston kit can offer significant performance benefits for a standard 72.0mm street bike, but it also comes with some potential drawbacks. The decision to purchase this kit ultimately depends on your budget, mechanical expertise, and desired level of performance. If you're a casual rider or on a tight budget, the stock pistons may be sufficient for your needs. However, if you're a performance enthusiast or racer, the benefits of the 09-719 SP1 piston kit may outweigh the costs and installation complexity.

If you're considering purchasing the 09-719 SP1 piston kit, I would recommend carefully considering your budget, mechanical expertise, and desired level of performance. If you have the resources and experience to install the kit correctly and safely, and you're looking for significant performance gains, then the 09-719 SP1 piston kit may be a worthwhile investment. However, if you're on a tight budget or not confident in your ability to install the kit, I would recommend sticking with the stock pistons.

Details:

All pistons, rings, pins and cir clips are manufactured to OEM specifications. Replaces.E.M No. Includes: 1 piston, ring set, wrist pin and cir clip set

Any damage claims may be exchanged for the identical item only. SP1, Standard Piston Kit, Bore 72.00mm, This item fits the following model's: Polaris Storm 1998, Polaris 1997, 1996, 1995, 1994, RMK SE SKS 1994. Piston weight compatible with original piston. Sold as: Each.

part #: 09719 prices

• $23.08-$81.43

specifications pistondon:

• for models: Street
• brand: Sports Parts Inc
• mpn: 09-719
• part type: Piston
• make: Polaris

general pistondon:

• Motorcycle Scooter Parts Accessories > Engines Engine Parts > Pistons, Rings Piston Kits
• condition: New

returns pistondon:

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

payments pistondon:

• other
• credit card: Visa
• wallet: Paypal

offer pistondon:

• options: Ship-to-home
• availability: In Stock
• started: May 3, 2026
• quantity: 10
• sold: 0

shipping pistondon:

• transit: 4-8 Days
• service: Economy, Standard, Expedited
• cost: $0.00
• type: Fixed
• class: Economy, Standard, Expedited

seller pistondon:

• rating: 99.6%
• # reviews: 644312
• city: Loudon, Tennessee

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