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Tomei TA202A-MT01B Forged Piston Set
The Tomei TA202A-MT01B forged piston set is engineered for performance applications, specifically designed for the Mitsubishi 4G63 engine found in the Evo models from 1992 to 2007. These pistons are crafted to convert combustion energy into mechanical power efficiently, ensuring that your engine can handle the demands of high-performance tuning.
Construction and Design
Constructed from A4032 aluminum alloy, the TA202A-MT01B pistons utilize a high-strength forging process rather than the traditional casting method. This results in lightweight yet rigid components that can withstand elevated combustion pressures. The design incorporates an oval barrel shape to optimize piston movement and thermal expansion, ensuring smooth operation under varying temperatures.
Key Features
- Bore Size: 85.50mm (OEM +0.5)
- Pin Diameter: 22.0mm
- Pin Length: 60.0mm
- Compression Height: 31.65mm (OEM -3.35)
- Piston Volume: -19.5cc
- Piston Weight: 322.4g
- Pin Weight: 121.5g
- Total Weight: 443.9g
- Top Ring Size: 1.20 x 3.05mm
- Second Ring Size: 1.20 x 3.70mm
- Oil Ring Size: 2.50 x 2.85mm
Performance Enhancements
The TA202A-MT01B pistons are designed to accommodate 1mm oversized valves, enhancing airflow and combustion efficiency. Additionally, the thinner piston rings reduce friction loss, contributing to improved engine performance and responsiveness.
Installation Notes
For detailed installation instructions, refer to the installation guide.
Fitment
- Mitsubishi Evo 1-9 4G63 (1992-2007)
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
Tomei is one of the most recognizable brands when it comes to performance tuning. The company started in 1968 by Mr. Seiichi Suzuki and initially tuned race cars. Their concept is “To produce a great product for ultimate driving pleasure” which has translated into all their parts, making it a sought-after brand worldwide. Today, Tomei is used by various enthusiasts, tuners, professional drivers, and racers everywhere.
Racing HeritageTomei has its roots firmly attached to motorsports racing. With its experience in creating fast cars for decades, it was able to create parts that are considered as one of the most.sophisticated and technologically advanced parts in the market. Not only does it produce power. It ensures that it maintains its reliability as well.
The company offers a wide range of products, ranging from engine components such as camshafts, valve springs, pistons, connecting rods, cam gears, gaskets, limited slip differentials, exhaust systems, and more. Their parts are designed to perform well, not only on the streets, but on the track as well.
They have various race track records under their belt to prove it.
Purchase Tomei Products at Vivid RacingIf you want to upgrade the performance of your vehicle, then Tomei is the right brand for you. The company has consistently provided its customers with high-perfromance products that deliver what it promised. Using only the highest quality of materials available, which includes Titanium, they are able to develop parts that are strong and lightweight. This is the formula for a better performing engine. Visit Vivid Racing and check out their list of products that would fit your specific requirement.
| Sale price | None |
| Wholesale price | $991.20 |
| Shipping |
Weight: 6.00 Length: 13 Width: 12 Height: 6 |
| Product Added At | Thursday 12 June, 2025 |
| Product Modified At | Monday 23 June, 2025 |
| Imported By | ETLOverride |
| Last Edited By | kathI@vividracing.com |
| View In Admin |
| Vendor | Inv | Cost | Retail | Jobber | MAP | Core | Updated | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Tomei Powered USA Inc | $840.00 | $1,260.00 | ? | ? | ? | 2025-06-23 11:45:39 |
