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ACL 1997+ Chevy V8 4.8/5.3/5.7/6.0 Gen 3 .10mm Oversized Main Bearing Set ACL ACL5M7298A-10
ACL 1997+ Chevy V8 4.8/5.3/5.7/6.0 Gen 3 .10mm Oversized Main Bearing Set ACL ACL5M7298A-10
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ACL 1997+ Chevy V8 4.8/5.3/5.7/6.0 Gen 3 .10mm Oversized Main Bearing Set

ACL
ACL5M7298A-10
084777700940
Bearings
Out of stock
ACL, Bearings, Engine, Engine Block
$ 43.06

SKU: 5M7298A-10 | UPC: 084777700940

ACL 1997+ Chevy V8 4.8/5.3/5.7/6.0 Gen 3 .10mm Oversized Main Bearing Set

ACL Race Series main bearings deliver dependable crankshaft support in high-performance 1997+ Chevy Gen III LS engines including 4.8L LR4 5.3L LM7/L59 5.7L LS1/LS6 and 6.0L LQ4/LQ9. This .010 inch (0.25mm) oversized set fits Corvettes Camaros and trucks for rebuilds needing exact clearances. Enhanced oil flow reduces wear during demanding operation.

Key Features

  • .010mm Oversize Sizing: Provides critical clearance for machined main journals in performance engine builds
  • Oil Groove Design: Intermediates (#2 #3 #4) feature 120 degree upper groove thrust bearings (#1 #5) have 180 degree upper groove for maximum lubrication
  • Tri-Metal Construction: Hardened steel backing with high-strength copper-lead-indium overlay withstands extreme loads and RPM
  • Precision Manufacturing: Tight tolerances ensure perfect fit and minimal oil clearance variation
  • Race Series Quality: Built for drag racing circle track and high-horsepower street applications

Product Notes

  • Verify journal sizes before installation to confirm .010mm oversize compatibility
  • Use assembly lube on bearings during install for initial protection
  • Ships in protective packaging to prevent damage

Installation Notes

  • Professional installation recommended.
  • Measure main journal diameters and clearances with plastigage after machining
  • Compatible with stock or aftermarket crankshafts in Gen III LS blocks

This Part Fits

Year Make Model Submodel
2003 Chevrolet Corvette 50th Anniversary Edition Pace Car
1997-2004 Chevrolet Corvette Base
2008-2013 Chevrolet Corvette Base
2010-2013 Chevrolet Corvette Grand Sport
1998 Chevrolet Corvette Indianapolis 500 Pace Car
2006-2013 Chevrolet Corvette Z06
2011 Chevrolet Corvette Z06 Carbon
2009 Chevrolet Corvette ZR1
2010-2015 Chevrolet Camaro SS
1998-2002 Chevrolet Camaro Z28
1998-2002 Chevrolet Camaro Z28 SS
2013 Chevrolet Corvette 427
2008 Chevrolet Corvette 427 Limited Edition Z06
2003 Chevrolet Corvette 50th Anniversary Edition

Why Choose ACL?

  • Proven in professional racing teams worldwide
  • Engineered for high-RPM durability and oil film strength
  • Made with advanced metallurgy for consistent performance

Frequently Asked Questions

  • Q: Will this fit Gen IV LS engines like LS3?
    A: Designed specifically for Gen III LS1 LS6 LQ4 LQ9 LR4 LM7 4.8/5.3/5.7/6.0L blocks confirm your engine code
  • Q: What material are the bearings made from?
    A: Tri-metal design with steel backing high-tensile alloy overlay and lead-tin-copper flash for superior embeddability and fatigue resistance
  • Q: What is the warranty and installation requirement?
    A: One-year unlimited mileage warranty professional installation advised with proper clearance checks

Shipping & Handling

  • Method: UPS Ground or USPS Priority
  • Availability: In stock - ships same or next business day
  • Packaging: Secure cardboard box 6 x 6 x 1 inches
  • Weight: 0.81 lbs

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