fits model: Mx-5, Miata. year: 1990–1993.



| Brand | MAZDA |
|---|---|
| Manufacturer Part Number | B64J10300D |
| Part Type | CYLINDER ENGINE MOTOR BLOCK |
| Id | JM 2405224 |
| Importapart | 314-502-3104 |
The Mazda B64J10300D 90-93 Miata MX-5 6L NA6 B6ZE Bare Cylinder Engine Motor Block is an essential component for any enthusiast or professional working on a Mazda Miata MX-5 engine. This motor block is specifically designed for the NA6 B6ZE engine, which was used in the third-generation Miata.
The B64J10300D motor block is a cast-iron piece, known for its durability and strength. It is a key component of the engine, providing the foundation for the cylinders, crankshaft, and other internal components. The block is precision-machined to ensure a perfect fit and optimal performance.
The B64J10300D motor block is designed to accommodate six cylinders, with a bore size of 86.0 mm and a stroke length of 83.0 mm, resulting in a total displacement of 1,839 cc. This engine block is perfect for those looking to upgrade their Miata's power output or for those building a custom engine.
The B64J10300D motor block is compatible with the NA6 B6ZE engine, which features a DOHC (Double Overhead Camshaft) design and a 2.0-liter displacement. This engine is known for its smooth power delivery and excellent fuel efficiency.
The B64J10300D motor block is sold bare, without any internal components such as the cylinder liners, crankshaft, or pistons. This allows the buyer to customize the engine to their specific needs or preferences. It also makes the block more cost-effective, as the buyer can choose to reuse their existing components or purchase new ones based on their budget and performance goals.
In summary, the Mazda B64J10300D 90-93 Miata MX-5 6L NA6 B6ZE Bare Cylinder Engine Motor Block is a high-quality, durable component that provides the foundation for the engine. Its precision-machined design ensures a perfect fit and optimal performance, making it an excellent choice for any Miata engine build or upgrade project.
Pros of buying a Mazda B64J10300D 90-93 Miata MX-5 6L NA6 B6ZE bare cylinder engine motor block 5224:1. Affordability: Buying a bare engine block can be more cost-effective than purchasing a fully assembled engine. This is especially true if you have the skills and tools to rebuild the engine yourself.
2. Customization: With a bare engine block, you have the freedom to choose your own parts and build the engine to your specifications. This can allow you to create a unique engine that meets your specific needs and performance goals.
3. Availability: Bare engine blocks are often more readily available than fully assembled engines, especially for older models like the NA6 Miata. This can make it easier to find the exact engine block you need.
Cons of buying a Mazda B64J10300D 90-93 Miata MX-5 6L NA6 B6ZE bare cylinder engine motor block 5224:1. Requires Skills and Tools: Rebuilding a bare engine block requires a certain level of skill and tools. If you don't have these, you may end up spending more money in the long run to have the engine rebuilt by a professional.
2. Time-Consuming: Rebuilding a bare engine block can be a time-consuming process. If you value your time, it may be more convenient to purchase a fully assembled engine.
3. Risk of Damage: If you're not experienced in engine rebuilding, there's a risk of damaging the engine block during the rebuild process. This can result in additional costs to repair or replace the damaged parts.
Conclusion: If you have the skills, tools, and time to rebuild a bare engine block, it can be a cost-effective and customizable option. However, if you don't have these, it may be more convenient and less risky to purchase a fully assembled engine.
Recommendation: If you're considering buying a Mazda B64J10300D 90-93 Miata MX-5 6L NA6 B6ZE bare cylinder engine motor block 5224, I would recommend thoroughly researching the process of engine rebuilding and assessing your own skills and resources before making a purchase. If you're not confident in your abilities, it may be more prudent to purchase a fully assembled engine.
All threaded and mounting holes are intact undamaged. The main bearing journals appear to be in good condition and when the engine was disassembled it had no spun bearings. The main caps are attached and included. Fits 1990 -1993 Mazda Miata mx5 with 1.6l engine as a direct replacement.
No shipping outside the lower 48 states. This block was cleaned and inspected after disassembly. All four cylinder bores measure out to standard bore 78mm. Bare engine block from a 1990 Mazda Miata with 104,082 miles.
The cylinders have some surface rust and average wear in every cylinder, but do not any large gouges, pitting or visible structural damage.
