ACL Race Series Conrod Bearings for BMW N63B44 S63B44 4.4L V8 T/Tu
Enhance the performance of your BMW N63B44 S63B44 4.4L V8 T/Tu engine with ACL Race Series Conrod Bearings (8B1578H). Specifically engineered to endure higher RPM conditions, these bearings are a must-have for any performance enthusiast. Designed for popular 4, 6, and 8 cylinder applications, they offer superior durability and reliability.
High Strength Overlay Plate: Features reduced thickness for enhanced performance.
Hardened Steel Backs: Provides robust support for all Conrod Bearings.
Increased Crush: Eliminates flash plating for improved fit and function.
3/4 Grooving on Main Bearings: Ensures optimum oil supply for better lubrication.
Tight Wall Tolerances: Guarantees consistent performance and reliability.
Oversize Chamfers: Available where applicable for improved fitment.
More Information
Product Name
BMW N63B44 S63B44 4.4L V8 T/Tu, ACL Race Series Conrod Bearings (8B1578H)
Brands
ACL
Engine
N63B44 - S63B44
Make
BMW
Delivery & Freight
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Disclaimer:
Product images are for description purposes only. Actual product may vary.
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 benefits of using ACL Race Series Conrod Bearings in my BMW N63B44 S63B44 engine?
ACL Race Series Conrod Bearings are designed to withstand higher RPM conditions, making them ideal for performance applications. They feature a high strength overlay plate with reduced thickness for enhanced performance, hardened steel backs for robust support, and increased crush to improve fit and function. These attributes contribute to superior durability and reliability under demanding conditions.
Do I need to modify my engine for the ACL Race Series Conrod Bearings to fit properly?
While the ACL Race Series Conrod Bearings are designed for a precise fit in the BMW N63B44 S63B44 engines, it's essential to check for proper clearance and ensure that the conrod and crankshaft surfaces are in good condition. Depending on your engine's specific setup, some builders may choose to perform additional machining to achieve optimal fitment.
What is the recommended installation procedure for the ACL Race Series Conrod Bearings?
When installing ACL Race Series Conrod Bearings, ensure that the bearing surfaces are clean and free of debris. Apply a suitable assembly lubricant to the bearings and the conrod before installation. It's crucial to follow the manufacturer's specifications for torque settings on the conrod bolts to ensure proper clamping force and avoid bearing failure.
Can I use ACL Race Series Conrod Bearings in a street application?
While ACL Race Series Conrod Bearings are primarily designed for performance and racing applications, they can be used in street engines if the engine is built to handle higher RPMs and loads. However, ensure that the overall engine build, including tuning and oiling system, is appropriate for the added performance to maintain reliability.
What oil viscosity is recommended when using ACL Race Series Conrod Bearings?
The recommended oil viscosity when using ACL Race Series Conrod Bearings typically depends on your engine's operating conditions and specifications. Generally, a high-quality synthetic oil with a viscosity suitable for your engine's design and operating temperature is advisable. Always consult your engine builder or refer to the manufacturer's guidelines for specific recommendations.
