NISSAN KA24, ACL Race Series Main Bearings (5M2747H)
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NISSAN KA24 ACL Race Series Main Bearings (5M2747H)
Enhance your engine's performance with the NISSAN KA24 ACL Race Series Main Bearings (5M2747H), expertly engineered to endure higher RPM conditions. These bearings are a top choice for automotive enthusiasts seeking reliability and efficiency in their 4, 6, and 8 cylinder engines. Key features include:
- High Strength Overlay Plate: Reduced thickness for superior durability.
- Hardened Steel Backs: Ensures robust support for all Conrod Bearings.
- Increased Crush: Eliminates flash plating for a perfect fit.
- 3/4 Grooving: Optimizes oil supply for Main Bearings.
- Consistent Wall Tolerances: Guarantees precision and reliability.
- Oversize Chamfers: Applied where necessary for enhanced performance.
| Product Name | NISSAN KA24, ACL Race Series Main Bearings (5M2747H) |
|---|---|
| Brands | ACL |
| Engine | KA24E / KA24DE |
| Make | Nissan |
Delivery & Freight
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What information do I need to match these pistons to my engine?
You need the engine code, bore size, stroke, rod length, pin diameter and target compression ratio. These determine the correct piston compression height and crown design.
How should ring gaps be set for these pistons?
Ring gaps must be set by your engine builder based on fuel type, boost level and the intended rpm range. Forced-induction engines usually require larger gaps.
Are forged pistons suitable for street engines?
Yes. Forged pistons handle detonation and high cylinder pressure better than cast units. Your builder should set the piston-to-bore clearance to suit your application.
What are the key features of the NISSAN KA24 ACL Race Series Main Bearings?
The NISSAN KA24 ACL Race Series Main Bearings feature a high strength overlay plate for durability, hardened steel backs for robust support, increased crush for a perfect fit, 3/4 grooving to optimise oil supply, consistent wall tolerances for precision, and oversized chamfers where necessary for enhanced performance.
Do I need to modify my engine block to use these main bearings?
While the NISSAN KA24 ACL Race Series Main Bearings are designed for a direct fit, it's essential to ensure that your engine block is in good condition and properly machined. Always check for correct clearances and consider line boring if necessary, especially if the block has been previously machined.
What RPM range are these main bearings suitable for?
These main bearings are engineered to handle higher RPM conditions, making them suitable for performance applications. However, the reliability at elevated RPMs will depend on proper installation, clearances, and overall engine assembly quality.
How do I ensure proper oil supply to these main bearings?
To ensure optimal oil supply to the NISSAN KA24 ACL Race Series Main Bearings, it's crucial to maintain a clean oil system and check that the oil pump is functioning correctly. The 3/4 grooving feature of these bearings aids in oil distribution, but proper oil viscosity and pressure are also key factors.
Can these main bearings be used in a street application?
While the NISSAN KA24 ACL Race Series Main Bearings are designed for race and high-performance use, they can be used in street applications if the engine is built for higher performance. However, consider the overall engine setup, including tuning and oiling system, to ensure reliability.
