fits model: 125, 400.

( Brand: Sportsman Racing Products ), ( Manufacturer Part Number: 231308 ), ( Part Type: Piston )
The 231308 SRP 4.125 400 Flat Top Forged Piston is a high-performance component designed specifically for sportsman racing applications. This piston is forged from premium-grade alloy, ensuring exceptional strength and durability under the most demanding racing conditions.
The piston's dimensions include a 4.125-inch bore and a 400cc displacement, making it ideal for engines that require a balance of power and reliability. The flat top design allows for easy adaptation to various combustion chamber configurations, providing flexibility for engine builders.
The 231308 SRP piston features a forged construction method, which ensures a uniform density and consistent wall thickness, reducing the risk of failure due to hot spots or weak areas. The piston skirt is optimized for minimum friction and maximum clearance, ensuring smooth operation and reduced wear on the engine's cylinder walls.
The piston ring lands are machined to precise specifications, ensuring proper ring grip and sealing performance under high-pressure conditions. The piston also features a full-floating wrist pin, reducing side-to-side movement and promoting longer pin life.
Overall, the 231308 SRP 4.125 400 Flat Top Forged Piston is a high-quality, reliable, and performance-oriented component that is well-suited for sportsman racing applications. Its combination of strength, durability, and adaptability makes it a popular choice among engine builders and racers looking to maximize their engine's potential.
Pros of buying a 231308 SRP 4.125 400 flat top forged piston for sportsman racing:1. Forged pistons are known for their strength and durability, which is essential for high-performance racing.
2. The flat top design allows for more combustion chamber volume, potentially increasing power output.
3. The 4.125-inch stroke is suitable for many racing applications, providing a good balance between power and RPM capability.
4. The 400cc displacement is a common size for sportsman racing, ensuring compatibility with various engines and motorcycle models.
Cons of buying a 231308 SRP 4.125 400 flat top forged piston for sportsman racing:1. The price may be higher than some aftermarket pistons due to the forged material and higher quality construction.
2. Since it's a specific part, finding replacements or compatible components in case of damage or failure may be challenging.
3. The installation process requires specialized knowledge and tools, which might be an additional cost for some racers.
Conclusion:The 231308 SRP 4.125 400 flat top forged piston is a high-quality component for sportsman racing. Its forged construction, flat top design, and appropriate stroke and displacement make it a reliable choice for power enhancement. However, its cost and potential difficulty in finding replacements are significant drawbacks. If a racer can afford the upfront investment and has the necessary knowledge and tools for installation, the benefits of this piston could make it a worthwhile investment. Alternatively, considering a less expensive aftermarket piston might be a more suitable option for those with a tighter budget or less experience with engine modifications.
125 in bore 400 flat top forged piston 8 pc P/N - 4.
125 in bore x 1 16 3 ring grooves - minus 5. Electrical or electronic components are also void if they have been connected opened.
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