| Model and OEM Number | 13P2V (Φ53) |
| Bore | 53mm |
| Pin Hole | 13mm |
| Specifications | STD |
| Class | Red |
| Workmanship | Forged |
| Surface Finish | Natural |
| Delivery Time | 3-6 Months |
| Drawing | Customized with Sample |
| Model and OEM Number | 13P (Φ56) |
| Bore | 53mm |
| Pin Hole | 13mm |
| Specifications | STD |
| Class | Red |
| Workmanship | Forged |
| Surface Finish | Natural |
| Delivery Time | 3-6 Months |
| Drawing | Customized with Sample |
| Model and OEM Number | 14P4V (Φ63) |
| Bore | 63mm |
| Pin Hole | 14mm |
| Specifications | STD |
| Class | Red |
| Workmanship | Forged |
| Surface Finish | Natural |
| Delivery Time | 3-6 Months |
| Drawing | Customized with Sample |
| Model and OEM Number | 14P4V-1 (Φ63) |
| Bore | 63mm |
| Pin Hole | 14mm |
| Specifications | STD |
| Class | Red |
| Workmanship | Forged |
| Surface Finish | Natural |
| Delivery Time | 3-6 Months |
| Drawing | Customized with Sample |
Forging process is the core of high performance refitting market. Our modified forged piston is specially designed for turbocharged, supercharged and high-speed naturally aspirated engines, which has super anti-knock and high-temperature resistance.
Through high-density forging aluminum alloy and advanced heat treatment technology, this kind of piston not only has excellent mechanical strength, but also can remain stable under extreme load.
According to the customer's cylinder structure, fuel system, camshaft characteristics and ECU program, we customize the optimal compression ratio and combustion chamber shape to release the ultimate potential of the engine.
Forged piston refit is an ideal choice for pursuing horsepower limit and long-term reliability, whether it is track competition or street performance upgrading. It is not only the guarantee of power improvement, but also an indispensable key component of high-end modification projects.
Ruian Zhengji Motorcycle Parts Co., Ltd. is a custom Forged Piston Modification Parts manufacturer and OEM Forged Piston Modification Parts factory, specializing in the research, development, production and sales of pistons for automobiles, motorcycles and outboard engines. In addition to offering standard piston products, we focus on the development of motorcycle modification parts and customized products to meet the diverse needs of our customers.
We possess a complete production chain from blank casting to finished piston manufacturing, equipped with over 200 advanced production machines, including more than 80 high-precision CNC lathes. During the piston manufacturing process, we employ both casting and forging techniques to ensure durability and performance. The forging process provides pistons with greater strength and wear resistance, while the casting process offers higher production efficiency and flexibility.
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READ MOREIn performance-focused engine builds, Forged Piston Modification Parts are not optional components—they are structural upgrades. Compared with standard cast pistons, forged solutions are designed to survive higher cylinder pressure, combustion temperatures, and aggressive tuning strategies.
From Zhengji's manufacturing perspective, Forged Piston Modification Parts are especially critical when engines operate beyond factory limits. These parts are commonly applied in turbocharged, supercharged, or high-compression builds where stock pistons may deform or crack. By using controlled forging pistons processes, internal grain structure becomes denser and more uniform, directly improving fatigue resistance.
Unlike basic replacement performance pistons, forged modification parts allow deeper customization in crown thickness, skirt reinforcement, and pin boss strength. This ensures mechanical stability during high RPM operation. For tuners and engine builders, Forged Piston Modification Parts provide a reliable foundation for consistent power output and long-term durability, even under repeated load cycles.
High-Performance Forged Pistons are specifically engineered to handle conditions where thermal stress and mechanical load exceed standard engine design limits. At Zhengji, these pistons are developed with real-world performance environments in mind.
One major advantage of High-Performance Forged Pistons is their outstanding resistance to thermal expansion. Through optimized alloy selection and precise forging pistons techniques, the piston maintains dimensional stability even during rapid temperature fluctuations. This reduces the risk of scuffing, seizure, or micro-cracking.
Compared with conventional performance pistons, forged versions offer stronger ring groove support and reinforced pin areas. This is essential for engines running higher boost or advanced ignition timing. Additionally, High-Performance Forged Pistons allow more aggressive combustion chamber designs, helping improve power without sacrificing reliability.
For applications where engine failure is not an option, High-Performance Forged Pistons become a long-term investment rather than a short-term upgrade.
Zhengji's expertise in forging pistons lies in process control and structural optimization. Forging is not just about strength—it's about directing material flow to support stress-critical areas.
During the forging pistons process, aluminum grains are compressed and aligned according to piston geometry. This internal structure provides significantly higher impact resistance than cast alternatives. As a result, these pistons outperform standard performance pistons in endurance and load-bearing capability.
Another advantage of Zhengji's forging pistons is design flexibility. Wall thickness, skirt profile, and crown shape can be optimized for specific performance goals, whether acceleration, sustained high-speed operation, or endurance racing. This makes them ideal for Forged Piston Modification Parts used in competitive or heavily tuned engines.
By combining manufacturing precision with application-driven engineering, Zhengji ensures that forging pistons meet both performance expectations and mechanical safety margins.
Not all engines require forged upgrades, but there are clear indicators when performance pistons should transition to forged alternatives. From Zhengji's experience, once power output, RPM range, or thermal load exceeds factory parameters, forged solutions become necessary.
Standard performance pistons may handle mild upgrades, but under high boost or track conditions, fatigue risk increases rapidly. Forged Piston Modification Parts address this gap by offering enhanced structural strength and better heat resistance. This is particularly important for engines used in motorsports, performance street builds, or long-duration high-load operation.
High-Performance Forged Pistons are also recommended when reliability matters as much as peak power. Through advanced forging pistons processes, these pistons reduce deformation and maintain sealing integrity over time.
In summary, upgrading from conventional performance pistons to forged solutions is a strategic decision driven by performance goals, engine safety, and long-term durability.
Typical Applications Comparison
| Application Scenario | Recommended Solution |
| Mild street upgrade | Performance pistons |
| High boost engines | Forged Piston Modification Parts |
| Racing / track use | High-Performance Forged Pistons |
| Long high-load cycles | Forging pistons design |
Ruian Zhengji Motorcycle Parts Co., Ltd. is a specialized manufacturer engaged in the research, development, production, and sales of pistons for automobiles, motorcycles, and outboard engines.
© Ruian Zhengji Motorcycle Parts Co., Ltd.
Forging Pistons Factory
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