So, you’re looking to give your engine a solid upgrade? Let me tell you about these ACL Race Series Engine Bearings. They’re not just any bearings; they’re crafted with a unique blend of design, metallurgy, and engineering that really makes a difference when you’re pushing your ride to the limit. If you’re running a 4, 6, or 8-cylinder engine and you want something that can handle the higher RPMs without flinching, you’ll want to pay attention.

• First off, these bearings have a high-strength overlay plate that’s thinner than what you’d typically find. Why does that matter? It means better fatigue properties, so they can take a beating and keep on spinning.
• All the rod bearings come with hardened steel backs. This isn’t just for show; it helps support the bearing lining and keeps everything snug in the housing.
• They’ve cranked up the crush on these bearings, which enhances retention. You want them to stay put, especially when you’re revving high.
• Forget about flash plating on the back; these bearings are designed to improve heat transfer. This helps them grip better in their housing, which is a big deal when you’re pushing the limits.
• The increased eccentricity is a neat touch. It compensates for any bore distortion you might encounter at high RPMs and helps form those hydrodynamic oil films that keep everything lubricated.
• And let’s not skip over the 3/4 grooved main bearings. They optimize the load carrying surface area and improve oil flow to the conrod bearings, which is crucial for performance.
• With tight wall tolerances, you’ll maintain consistent clearances, which is key for a solid engine setup.
• Plus, the enlarged ID chamfers on the edges are there to accommodate larger fillet radii on performance crankshafts. It’s the little details that count, right?

Now, let’s get into the nitty-gritty specs:

• Sizes available: STD, 001, 009, 010, 011, 020
• Oil Clearance: Standard
• Half Type: Upper & Lower
• Material: Tri-metal with hardened steel backs
• Min Std Shaft Size: 2.2482 in / 57.104 mm
• Max Std Shaft Size: 2.249 in / 57.125 mm
• Min Std Tunnel Size: 2.4412 in / 62.006 mm
• Max Std Tunnel Size: 2.442 in / 62.027 mm
• Max Wall at Crown: 0.0957 in / 2.431 mm
• Max Overall Length: 0.885 in / 22.48 mm

These bearings fit a variety of Chevy models, including:

• Chevrolet Avalanche 2007-2013
• Chevrolet Avalanche 1500 2002-2006
• Chevrolet Avalanche 2500 2002-2006
• Chevrolet Bel Air 1950-1969 & 1971-1975 & 1981
• Chevrolet Caprice 1975-1996 & 2000-2017
• Chevrolet Corvette 1975-1982 & 1984-2013

If you’re serious about your engine’s performance, these bearings are worth considering. They’re built to last and designed for those who really push their vehicles. Trust me, you won’t regret it.