fits model: Eclipse. year: 1990–1994.

( Brand: Manley Performance ), ( Manufacturer Part Number: 607005C-4 ), ( Part Type: Ring Piston Bolt )
The 607005c-4 Eclipse 8.5 Ring Performance 4G63T piston is an excellent upgrade for your 1990-1994 Mitsubishi Eclipse or Galant with the 4G63T engine. This high-performance piston is manufactured by Manley, a renowned name in the automotive performance industry known for their quality and craftsmanship.
The Eclipse 8.5 Ring Performance piston features an oversized 85.5mm bolt hole, which provides better clearance for high-compression applications and larger aftermarket piston rings. The piston itself is made from forged 2618-T6 aluminum alloy, ensuring durability and strength under high-load conditions.
The piston crown is honed to a precise 8.5cc dish for optimal combustion chamber volume, and the skirt is designed with a full-floating wrist pin and oil control ring groove for reduced friction and improved engine performance. The piston also includes a Manley-designed performance ring set, which includes a lightweight top ring, a high-tension second ring, and a low-tension oil control ring.
The Eclipse 8.5 Ring Performance piston is designed to provide better performance, durability, and reliability compared to stock pistons. It is an excellent choice for high-performance applications, such as turbocharging, nitrous oxide, and high-RPM racing.
In conclusion, the 607005c-4 Eclipse 8.5 Ring Performance 4G63T piston by Manley is a top-quality performance upgrade for your 1990-1994 Mitsubishi Eclipse or Galant. It offers improved strength, durability, and performance, making it an excellent choice for high-performance applications.
Pros of buying a Manley 8.5mm Oversized Bolt Kit (607005c-4) for the 4G63T Eclipse engine:1. Improved engine performance: Manley pistons are known for their high-quality materials and design, which can help improve engine performance, including increased horsepower and torque.
2. Durability: Manley pistons are made of high-strength materials, such as forged alloy, which can help improve the durability of the engine and reduce the risk of engine failure.
3. Upgrade potential: If you are looking to upgrade your engine, the Manley piston kit can be a great starting point. The oversized bolt kit can help ensure a proper fit and reduce the risk of piston ring failure.
Cons of buying a Manley 8.5mm Oversized Bolt Kit (607005c-4) for the 4G63T Eclipse engine:1. Cost: Manley pistons and bolt kits are generally more expensive than OEM or aftermarket alternatives.
2. Installation complexity: Installing the Manley piston kit and bolt kit may require more specialized tools and expertise than a standard piston replacement.
3. Potential for engine damage: If not installed correctly, the Manley piston kit and bolt kit can potentially cause damage to the engine, such as piston ring failure or engine sealing issues.
Conclusion:The Manley 8.5mm Oversized Bolt Kit (607005c-4) for the 4G63T Eclipse engine can be a great upgrade for those looking to improve engine performance and durability. However, it is important to note that the kit is more expensive than OEM or aftermarket alternatives and may require specialized tools and expertise for installation. Additionally, if not installed correctly, the kit can potentially cause damage to the engine. Therefore, it is recommended that you only consider this upgrade if you have the necessary knowledge and experience, or you work with a qualified mechanic.
Offset wrist pin design is utilized for quiet start ups. 5mm oversized bore 8.
Search by make model year or part number Manley piston w ring for Eclipse 6 bolt 4G63T 85.
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Perfect ring groove to skirt squareness is achieved through our unique one texturing manufacturing method that assures maximum horsepower. All pistons come with Molly coated skirts.
Each design is lightweight yet robust enough to deliver long service life.
Please see the for information regarding shipping costs and available shipping methods. 5/1 Manley pistons are machined of high strength 2618 material.