fits model: Std. make: Amc. year: 1967–1969.

( Manufacturer Part Number: 3182689 ), ( Part Type: Engine Piston Motor )
The 3182689 standard compression piston is specifically designed for the 1967, 1968, and 1969 AMC American 343 engine. This piston is a crucial component of your engine's operation, responsible for converting the force of the explosion of the fuel-air mixture in the cylinder into a rotating motion.
This piston features a compression ratio of 1.143, which is ideal for optimizing combustion efficiency and power output in your engine. The piston is made from high-quality forged aluminum alloy, ensuring strength, durability, and lightweight performance. The top ring groove is designed to accommodate a standard ring set, making it easy to install and maintain.
The piston's cylinder wall is finished with a honing process to ensure a smooth surface, reducing friction and promoting better engine performance. The piston skirt is also designed with a proper oil control ring groove to prevent oil leakage and ensure efficient lubrication of the piston.
This standard compression piston is a direct replacement for your worn-out or damaged pistons, restoring your engine's performance and reliability. It's essential to ensure that you're using the correct piston for your engine to avoid engine damage and ensure optimal performance.
In summary, this 3182689 standard compression piston is a high-quality replacement part for your 1967, 1968, and 1969 AMC American 343 engine. Its lightweight aluminum alloy construction, compression ratio of 1.143, and precision-engineered design make it an excellent choice for maintaining or restoring your engine's performance.
Pros of buying a AMC American 343 engine piston with a standard compression ratio of 1.143:1. Reliability: The AMC American 343 engine has a reputation for being a robust and durable engine, which means it can withstand heavy use and provide reliable power.
2. Availability: Parts for the AMC American 343 engine are still readily available, which makes it easier to find replacements or perform maintenance on the engine.
3. Cost-effective: Compared to some newer engines, the AMC American 343 engine is often less expensive to purchase and maintain.
4. Power: The 343 cubic inch engine provides plenty of power, making it a good choice for those who want a powerful engine for their vehicle.
Cons of buying a AMC American 343 engine piston with a standard compression ratio of 1.143:1. Fuel efficiency: The AMC American 343 engine is not known for its fuel efficiency, which means it may consume more gasoline than some newer engines.
2. Emissions: The engine may not meet modern emissions standards, which may require additional modifications to meet regulatory requirements.
3. Performance: While the AMC American 343 engine provides plenty of power, it may not be as fast or responsive as some newer engines.
Conclusion:The AMC American 343 engine is a reliable and cost-effective option for those who want a powerful engine for their vehicle. While it may not be as fuel-efficient or performant as some newer engines, its availability of parts and robustness make it a good choice for many applications. If you are looking for a powerful engine that will provide reliable performance, the AMC American 343 engine is worth considering.
Recommendation:If you are in the market for a reliable and powerful engine, the AMC American 343 engine is a good option to consider. However, it is important to keep in mind its fuel efficiency and emissions issues and consider whether the trade-offs are worth it for your specific application. Additionally, it may be worth investing in modern upgrades, such as fuel injection, to improve the engine's performance and emissions compliance. Ultimately, whether or not the AMC American 343 engine is the right choice for you will depend on your specific needs and preferences.
Marked on the top of box is this item came from a restorers offer written. My internet search shows that the 343 was made from. Key words I do combine shipping when possible. The hi compression 343 was with a 4 barrel carburetor.
The piston pin moves freely by hand. There is a little discoloration to the piston but no corrosion Std - hi comp. You are purchasing 1 new old stock piston.
The group number is It is missing the last number due to ripped corner cast into piston. The box is aged and ripped missing one top flap note: I have other parts from 30's, 40's, 50's, 60s listed in offers.