Alright, car enthusiasts, let’s dive into something that really matters when you're pushing your engine to its limits: the ACL Race Series Engine Bearings. These aren’t just your run-of-the-mill bearings; they’re crafted with a killer mix of design, metallurgy, and engineering that serious drivers appreciate. If you're revving high RPMs, these bearings are built to handle the heat.

Here’s what makes these bearings stand out:

• High Strength Overlay: The overlay plate is thinner but tougher, which means better fatigue resistance. You want something that can take a beating without giving up, right?
• Hardened Steel Backs: All rod bearings come with hardened steel backs. This isn’t just for show—it helps keep the bearing lining in place and improves retention in the housing. Less chance of a slip when you’re really pushing it.
• Increased Crush: They’ve cranked up the crush to ensure better bearing retention. This means they’re less likely to move around, giving you peace of mind when you’re at full throttle.
• No Flash Plating: The elimination of flash plating on the back improves heat transfer. This is crucial for keeping your bearings cool and maximizing the grip between the bearings and their housing.
• Increased Eccentricity: This feature helps deal with bore distortion at high RPMs, which is important for forming hydrodynamic oil films. It’s all about keeping that oil flowing smoothly.
• 3/4 Grooved Main Bearings: This design optimizes the load-carrying surface area and oil flow to the conrod bearings. More oil where it counts means better performance.
• Tight Wall Tolerances: Consistent wall tolerances help maintain clearances, which is essential for a well-running engine.
• Enlarged ID Chamfers: These are included where needed to fit those performance crankshafts with large fillet radii. It’s all about that perfect fit.

Specifications:

• Size: STD, .025, .25
• Oil Clearance: Standard
• Half Type: Identical Halves
• Material: Tri-metal Hardened Steel Backs
• Min Std Shaft Size: 1.888in / 47.956 mm
• Max Std Shaft Size: 1.8887in / 47.974 mm
• Min Std Tunnel Size: 2.0079in / 51.000 mm
• Max Std Tunnel Size: 2.0084in / 51.013 mm
• Max Wall at Crown: 0.0592in / 1.503 mm
• Max Overall Length: 0.673in / 17.10 mm

If you’re running a Nissan Sentra from 1982 to 2018, these bearings are a perfect fit. Specifically, the 4B2960-.50 ACL Nissan SR20DE/DET (2.0L) 0.50mm Oversized Rod Bearing Set will keep your engine running smooth and strong. Don’t settle for less when you’re looking to push your performance. These bearings are designed for those who really know what they want under the hood.