SUBARU FB20, FB25 4CYL, ACL Race Series Conrod Bearings (4B8325H)
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ACL Race Series Conrod Bearings for Subaru FB20, FB25 4CYL
Enhance your Subaru's performance with the ACL Race Series Conrod Bearings (4B8325H), specifically engineered for the Subaru FB20 and FB25 4-cylinder engines. These bearings are designed to withstand higher RPM conditions, making them ideal for racing and high-performance applications. Experience superior durability and reliability with these premium bearings.
- High Strength Overlay Plate: Features a 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: Main bearings offer optimum oil supply for better lubrication.
- Tight Wall Tolerances: Ensures consistent performance and reliability.
- Oversize Chamfers: Available where applicable for improved fitment.
Explore the complete range of ACL Race Series Engine Bearings for unmatched quality and performance.
| Product Name | SUBARU FB20, FB25 4CYL, ACL Race Series Conrod Bearings (4B8325H) |
|---|---|
| Brands | ACL |
| Engine | FB20 / FB25 |
| Make | Subaru |
Delivery & Freight
We are an Australian-based company that ships items nationally and internationally, usually within 48 hours of receiving your order. High-value items shipped internationally are sent via DHL Express, while lower-value items are sent via Australia Post Express unless otherwise instructed.
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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 benefits of using ACL Race Series Conrod Bearings in my Subaru FB20 or FB25 engine?
ACL Race Series Conrod Bearings are designed for high-performance applications, offering enhanced durability and reliability under higher RPM conditions. The high strength overlay plate and hardened steel backs provide robust support, while the increased crush and tight wall tolerances ensure a consistent fit and optimal performance.
Do I need to modify my engine for these conrod bearings to fit correctly?
While the ACL Race Series Conrod Bearings are designed to fit Subaru FB20 and FB25 engines, it's essential to check for proper clearance and fitment during installation. Depending on your engine's condition and previous machining, you may need to hone the conrod or check for any irregularities that could affect the bearing fit.
What oil should I use with ACL Race Series Conrod Bearings?
For optimal performance with ACL Race Series Conrod Bearings, use a high-quality synthetic or racing oil that meets the specifications for your Subaru FB20 or FB25 engine. Ensure that the oil has the appropriate viscosity for your application, especially if you're operating in high RPM or racing conditions.
Are these conrod bearings suitable for street use?
While ACL Race Series Conrod Bearings are primarily designed for racing and high-performance applications, they can be used on the street if your engine is built for performance. However, keep in mind that they may wear faster under typical street driving conditions compared to standard bearings.
What is the recommended installation procedure for these conrod bearings?
When installing ACL Race Series Conrod Bearings, ensure that the conrod and crankshaft surfaces are clean and free of debris. Follow the manufacturer's guidelines for torque specifications and consider using assembly lubricant to prevent dry starts. It's crucial to check clearances with a micrometer or bore gauge to ensure proper fitment.