NISSAN VK56 DOHC 32V, ACL Race Series Main Bearings (5M2995H)
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NISSAN VK56 DOHC 32V, ACL Race Series Main Bearings (5M2995H)
Enhance your engine's performance with the NISSAN VK56 DOHC 32V, ACL Race Series Main Bearings (5M2995H). Specifically engineered to endure higher RPM conditions, these bearings are a top choice for automotive enthusiasts and professionals alike. Designed for popular 4, 6, and 8 cylinder applications, they offer superior durability and reliability.
- High Strength Overlay Plate: Features a reduced thickness for enhanced performance.
- Hardened Steel Backs: All Conrod Bearings come with hardened steel backs for added strength.
- Increased Crush: Eliminates flash plating for a more secure fit.
- 3/4 Grooving: Main Bearings are designed with 3/4 grooving to ensure optimal oil supply.
- Consistent Wall Tolerances: Provides tight and uniform wall tolerances for precision.
- Oversize Chamfers: Available where applicable to accommodate specific needs.
| Product Name | NISSAN VK56 DOHC 32V, ACL Race Series Main Bearings (5M2995H) |
|---|---|
| Brands | ACL |
| Engine | VK56 DOHC 32V |
| Make | Nissan |
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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 ACL Race Series Main Bearings for the VK56?
The ACL Race Series Main Bearings for the VK56 feature a high strength overlay plate with reduced thickness for improved performance, hardened steel backs for added durability, and increased crush to ensure a secure fit. They also include 3/4 grooving for optimal oil supply and consistent wall tolerances for precision.
Do I need to modify the main caps when installing these bearings?
In most cases, the main caps should not require modification when using ACL Race Series Main Bearings. However, it is essential to check for proper alignment and ensure that the main caps are line-bored after installation to maintain optimal clearances.
What is the recommended clearance for these main bearings in a VK56 engine?
Clearance for the ACL Race Series Main Bearings in a VK56 engine should be determined by the engine builder based on the specific application and tolerances. It's crucial to measure the journal sizes and ensure proper fitment to avoid issues at higher RPMs.
Are these bearings suitable for high-performance applications?
Yes, the ACL Race Series Main Bearings are specifically engineered for high-performance applications, making them suitable for racing and high RPM conditions. However, reliability will depend on proper installation, machining, and overall engine tuning.
What oil should I use with these main bearings?
Using a high-quality engine oil that meets the specifications for your VK56 engine is crucial. Ensure that the oil has adequate viscosity and performance characteristics to support the demands of high RPM operation and maintain proper lubrication for the ACL Race Series Main Bearings.