fits make: Buick.

( Manufacturer Part Number: 1277-P ), ( Part Type: Piston ), ( Surface Finish: Aluminum ), ( Country/region Of Manufacture: United States )
The 1277-P Buick 46, 47, 48, 49, 248 Straight 040 Pistons are a high-quality replacement part for your classic Buick engine. These pistons are specifically designed for Buick engines of the mentioned model numbers and are made to provide optimal performance and reliability.
The 1277-P pistons are manufactured using a high-strength, forged aluminum alloy, ensuring durability and resistance to heat and wear. Each piston is precision-machined to ensure a perfect fit within the engine cylinder, reducing the risk of engine misfires and promoting smooth operation. The pistons also feature a top ring groove that is chamfered for easy ring installation and a skirt that is honed for improved ring seal.
The Straight 040 pistons have a 0.400-inch piston pin diameter, which is a common size for Buick engines of this era. The piston pin is made of high-strength steel and is fitted with a roller pin for reduced friction and improved engine efficiency. The piston pin is also precision-machined to ensure a tight fit within the connecting rod.
The 1277-P pistons are also designed with a domed combustion chamber, which allows for better fuel-air mixture and combustion, resulting in increased engine power and torque. The piston skirt is also designed with a certain amount of taper, which reduces the friction between the piston and the cylinder wall, reducing engine wear and improving fuel efficiency.
In summary, the 1277-P Buick 46, 47, 48, 49, 248 Straight 040 Pistons are a high-quality replacement part for your classic Buick engine. They are made of a high-strength, forged aluminum alloy, precision-machined for a perfect fit, and feature a domed combustion chamber and tapered piston skirt for improved performance. These pistons are a great choice for any classic Buick owner looking to maintain or upgrade their engine.
Pros of buying 1277-p Buick 46 47 48 49 248 straight 040 pistons:1. High-quality material: These pistons are made of high-quality aluminum alloy, which is known for its strength and durability.
2. Precision manufacturing: The pistons are precision-machined to ensure a perfect fit in the engine cylinder, which can improve engine performance and efficiency.
3. Increased horsepower: By replacing worn-out or damaged pistons with new ones, your engine can potentially produce more horsepower and torque.
4. Reduced engine wear: New pistons can help reduce engine wear and tear, which can extend the engine's lifespan.
Cons of buying 1277-p Buick 46 47 48 49 248 straight 040 pistons:1. Expense: Replacing pistons can be a costly repair, especially if you're not doing it yourself.
2. Time-consuming: Piston replacement is a complex task that requires disassembling the engine, which can take several hours to complete.
3. Risk of damage: If not installed correctly, the new pistons can cause damage to the engine or other components.
4. Potential engine issues: If there are other issues with the engine, replacing the pistons may not solve the problem and could even exacerbate it.
Conclusion:Buying 1277-p Buick 46 47 48 49 248 straight 040 pistons can improve engine performance and extend the engine's lifespan, but it is a costly and time-consuming repair that requires expertise. Before making a purchase, it's important to consider the condition of your engine and whether replacing the pistons is necessary. If you're unsure, it may be best to consult with a professional mechanic to get an expert opinion.
Recommendation:If you're considering buying 1277-p Buick 46 47 48 49 248 straight 040 pistons, it's recommended to do so from a reputable supplier and have the installation done by a professional mechanic to ensure the best results. This will help minimize the risk of damage and maximize the benefits of the new pistons. Additionally, it's a good idea to regularly maintain your engine and address any issues as soon as they arise to prevent costly repairs in the future.
They are USA made. Set of sterling 1277-P. They will perform the same as bright and shiny ones over size new old stock pistons for Buick 248 straight eight engine.
No, they don't look very pretty as appear to have been in storage for quite some time. Maybe even better, since they are American manufactured. Their cosmetic appearance will not in any way affect performance.