fits make: Chevy.

( Brand: Sportsman Racing Products ), ( Manufacturer Part Number: 141635 ), ( Part Type: Block Piston )
The 141635 Sportsman Racing 4.280 Big Block Chevy Piston is a high-performance component designed for serious racing enthusiasts. This piston is crafted with precision and durability in mind, using top-quality materials to ensure reliable performance under extreme conditions.
The piston features a 4.280-inch bore size, which is suitable for big block Chevy engines. The piston skirt is honed to a mirrored finish, ensuring a perfect fit in the cylinder bore for optimal seal and compression. The piston crown is domed, providing ample combustion chamber volume for efficient combustion and power delivery. The piston also includes a full-floating wrist pin, which allows for maximum piston-to-pin bore clearance, reducing friction and promoting smooth operation.
The 141635 Sportsman Racing Big Block Chevy Piston is made from forged 2618-T6 aluminum alloy, which is known for its strength and durability. The piston is heat-treated to increase its tensile strength and fatigue resistance, ensuring that it can withstand the high temperatures and forces generated during racing. The piston's top ring land is chamfered, which makes it easier to install the rings and reduces the risk of ring damage during installation.
The piston also includes a high-performance ring package, which includes a nitrided top ring, a molybdenum-coated second ring, and a phosphorus-coated oil control ring. These rings are designed to provide maximum sealing, reduce friction, and control oil consumption, ensuring efficient operation and longer engine life.
In summary, the 141635 Sportsman Racing 4.280 Big Block Chevy Piston is a high-performance component that is built to last. Its precision engineering, high-quality materials, and advanced ring package make it an excellent choice for racing enthusiasts who demand the best from their engines. Whether you're building a new big block Chevy engine or upgrading an existing one, this piston is sure to deliver the power and reliability you need to win.
Pros of buying a 141635 Sportsman Racing 4.280 Big Block Chevy Piston:1. High-quality material: This piston is made of forged aluminum alloy, which is known for its strength and durability. It can withstand high temperatures and pressures, making it ideal for racing applications.
2. Ideal for high-performance engines: The 4.280 bore size and 3.750 stroke length make this piston suitable for high-performance engines. It can handle high horsepower and torque, which is essential for racing.
3. Improved combustion efficiency: The piston's design features a domed top and a squared skirt, which improve combustion efficiency. This results in better engine performance and fuel efficiency.
4. Affordable price: Compared to other high-performance pistons, the 141635 Sportsman Racing 4.280 Big Block Chevy Piston is relatively affordable.
Cons of buying a 141635 Sportsman Racing 4.280 Big Block Chevy Piston:1. Limited compatibility: This piston may not be compatible with all Big Block Chevy engines. It is essential to ensure that it fits your engine before making a purchase.
2. May require custom tuning: To get the most out of this piston, you may need to custom-tune your engine. This can be a time-consuming and expensive process, especially if you do not have the necessary skills or equipment.
3. Limited warranty: The 141635 Sportsman Racing 4.280 Big Block Chevy Piston does not come with a long warranty. This means that if something goes wrong, you may be responsible for the repair costs.
Conclusion:The 141635 Sportsman Racing 4.280 Big Block Chevy Piston is a high-quality, affordable option for those looking to upgrade their racing engine. Its strong material, improved combustion efficiency, and suitability for high-performance engines make it a great choice. However, its limited compatibility and potential need for custom tuning are drawbacks that should be considered. Ultimately, if you are comfortable with these limitations and are willing to put in the necessary work to get the most out of this piston, it could be a worthwhile investment.
Piston small dome profile forged 4.
When on a product listing page, the bottom left is link ask question.
280 in bore 5 64 x 5/3 16 ring grooves plus 14. Search by vehicle make.