HYUNDAI G4EK G4FK, ACL Race Series Main Bearings (5M1202H)
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HYUNDAI G4EK G4FK, ACL Race Series Main Bearings (5M1202H)
Enhance your engine's performance with the HYUNDAI G4EK G4FK, ACL Race Series Main Bearings (5M1202H), expertly designed 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. Crafted with precision, they offer:
- High strength overlay plate with reduced thickness for superior durability
- Hardened steel backs on all Conrod Bearings for enhanced support
- Increased crush and elimination of flash plating for improved performance
- 3/4 grooving on Main Bearings ensuring optimal oil supply
- Tight, consistent wall tolerances for precision fit
- Oversize chamfers where applicable for better installation
Discover the full range of ACL Race Series Engine Bearings and elevate your vehicle's capabilities. For more information, visit ACL Race Series Engine Bearings.
| Product Name | HYUNDAI G4EK G4FK, ACL Race Series Main Bearings (5M1202H) |
|---|---|
| Brands | ACL |
| Engine | G4EK G4FK |
| Make | Hyundai |
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 ACL Race Series Main Bearings for the G4EK and G4FK engines?
The ACL Race Series Main Bearings (5M1202H) feature a high strength overlay plate with reduced thickness for enhanced durability, hardened steel backs for improved support, and increased crush to eliminate flash plating. They also include 3/4 grooving for optimal oil supply and tight wall tolerances for a precision fit.
Do I need to perform any machining before installing these main bearings?
Yes, it is advisable to check the main journal sizes and ensure proper clearances. Depending on the condition of your engine block, you may need to line bore or hone the main bearing housing to achieve the correct fit.
What is the recommended oil clearance for these main bearings in a G4EK or G4FK engine?
Oil clearance can vary based on the specific application and engine build. Generally, a clearance of 0.0015" to 0.0025" is typical for performance applications, but it's essential to consult with your engine builder for the best specifications based on your setup.
Can these bearings be used in a street application?
While the ACL Race Series Main Bearings are designed for high-performance applications, they can be used in street engines if the engine is built to handle higher RPMs and loads. However, ensure that the rest of your engine components are compatible with the performance characteristics of these bearings.
What type of oil should I use with these main bearings?
Using a high-quality synthetic or semi-synthetic oil is recommended for optimal performance and protection. Ensure that the oil meets the specifications required for your G4EK or G4FK engine, especially under high RPM conditions.