fits model: 340, Indy, Classic. year: 1986–2008.

( Brand: Sports Parts Inc ), ( Manufacturer Part Number: 9717PS ), ( Part Type: Piston )
The Sports 9717PS SPI NOS Piston Kit is an essential upgrade for any 1986-2008 Indy Lite or Sport Classic 340 engine. This high-performance piston set is designed to deliver improved power, efficiency, and reliability, making it an excellent choice for racers and enthusiasts alike.
The kit includes four NOS forged pistons, each crafted from 2618-T6 aluminum alloy for exceptional strength and durability. These pistons feature a domed top, which helps to increase compression and improve engine performance. The piston skirts are also designed to minimize friction, reducing wear and tear on the engine and improving overall efficiency.
The piston rings included in the kit are made from high-quality steel and feature a multi-layer coating for improved sealing and reduced wear. This helps to prevent oil leakage and ensure proper compression, resulting in improved engine performance and reduced emissions.
The Sports 9717PS SPI NOS Piston Kit also includes new piston pins and wrist pins, which are essential for ensuring proper piston movement and preventing engine damage. The wrist pins are made from high-strength steel and feature a retainer clip for added security.
Installing the Sports 9717PS SPI NOS Piston Kit is straightforward, thanks to the detailed instructions provided by the manufacturer. The kit includes all the necessary hardware, including new piston rings, wrist pins, and piston pins.
In conclusion, the Sports 9717PS SPI NOS Piston Kit is an excellent upgrade for any 1986-2008 Indy Lite or Sport Classic 340 engine. With its forged aluminum alloy pistons, high-quality steel rings, and durable wrist and piston pins, this kit delivers improved power, efficiency, and reliability, making it an excellent choice for racers and enthusiasts alike.
Pros of buying a Sports 9717PS SPI NOs Piston Kit for 1986-2008 Indy Lite Sport Classics 340:1. Improved engine performance: The NOs pistons are known for their high-quality materials, which can lead to increased horsepower and torque, resulting in better acceleration and overall performance of the engine.
2. Enhanced reliability: The kit includes forged pistons, which are more durable and less prone to failure than cast pistons, resulting in a more reliable engine.
3. Better fuel efficiency: The improved engine performance can lead to better fuel efficiency, as the engine will be able to run more efficiently and use less fuel.
Cons of buying a Sports 9717PS SPI NOs Piston Kit for 1986-2008 Indy Lite Sport Classics 340:1. Cost: The kit can be expensive, and the installation process may require professional help, resulting in additional costs.
2. Potential engine damage: If not installed correctly, the kit can cause damage to the engine, resulting in costly repairs.
3. Engine tuning may be required: Depending on the current state of the engine, additional tuning may be required to ensure proper operation and prevent engine damage.
Conclusion:The Sports 9717PS SPI NOs Piston Kit is a great option for those looking to improve the performance of their 1986-2008 Indy Lite Sport Classics 340 engine. The kit's forged pistons and high-quality materials can result in increased horsepower, torque, and fuel efficiency, as well as improved engine reliability. However, the high cost and potential for damage if not installed correctly are important considerations to keep in mind. It's recommended to have the kit installed by a professional to ensure proper operation and prevent any potential damage to the engine. Overall, the potential benefits of the kit outweigh the drawbacks, making it a worthwhile investment for those looking to improve the performance of their Indy Lite Sport Classic 340.
SPI NOS New Complete Piston Kit 1986 2008 Indy Lite Sport Classic 340 9717PS OEM, brand standard piston kit. Comes with one piston, rings, pin and clips. Replaces Polaris #s 3083023 / 3084603 3085840. Mfg # 09-717.
Alternate #s: KX9717PS / 09-717 09-717M 09-709 54-717PS.