ACL
ACL Race Series .025mm Oversized Main Bearing Set — Fits GM LS Gen III/IV
ACL Race Series .025mm Oversized Main Bearing Set — Fits GM LS Gen III/IV
ACL Race Series .025mm Oversized Main Bearing Set — Fits GM LS Gen III/IV
ACL Race Series .025mm Oversized Main Bearing Set — Fits GM LS Gen III/IV
ACL Race Series .025mm Oversized Main Bearing Set — Fits GM LS Gen III/IV
Roll over image to zoom in Click on image to zoom
ACL Race Series .025mm Oversized Main Bearing Set — Fits GM LS Gen III/IVACL Race Series .025mm Oversized Main Bearing Set — Fits GM LS Gen III/IVACL Race Series .025mm Oversized Main Bearing Set — Fits GM LS Gen III/IVACL Race Series .025mm Oversized Main Bearing Set — Fits GM LS Gen III/IVACL Race Series .025mm Oversized Main Bearing Set — Fits GM LS Gen III/IV
ACL

ACL Race Series .025mm Oversized Main Bearing Set — Fits GM LS Gen III/IV

Save 22%
SKU: ACL5M7298H-01

About ACL ACL engineers high-quality automotive parts and accessories trusted ...Read more

Price:
$247.99 $317.14
2470 ENTRIES10X
Add To Cart
Checking fitment…
×

Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Ships FAST in USA

Guaranteed Low Price

GGCRACING Discount

Product Details

Product Description
Part Numbers
Sizing & Fit

About ACL

ACL engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full ACL lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

ACL Race Series Main Bearings for GM LS Engines

Upgrade your GM LS Gen III or Gen IV engine with the ACL Race Series .025mm (.001") undersize main bearing set. These precision-engineered bearings feature a 270-degree oil groove, ensuring optimal lubrication for high-performance street and track applications. Whether you are rebuilding a Silverado truck engine or a high-output Cadillac performance motor, these bearings provide the stability and longevity you demand.

Key Features

  • Engineered for Performance: Built to withstand the rigors of high-performance driving and racing.
  • Precision Sizing: .025mm undersize for precise clearance on machined crankshafts.
  • Improved Lubrication: 270-degree oil groove design maximizes oil distribution to the main journals.
  • Broad Compatibility: Fits a wide range of GM LS-based engines including 4.8L, 5.3L, 5.7L, and 6.0L variants.

The LS platform is renowned for its potential, and these ACL bearings are the perfect choice to ensure your rotating assembly stays secure. By reducing friction and improving heat dissipation, these bearings help extend the life of your engine under heavy load. Trust in the proven quality of ACL to keep your GM vehicle running at peak performance. For all your engine component needs, rely on the experts at GGCRACING.

…and 145 additional fitments. Contact us to confirm yours.

About ACL

ACL engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full ACL lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

ACL Race Series Main Bearings for GM LS Engines

Upgrade your GM LS Gen III or Gen IV engine with the ACL Race Series .025mm (.001") undersize main bearing set. These precision-engineered bearings feature a 270-degree oil groove, ensuring optimal lubrication for high-performance street and track applications. Whether you are rebuilding a Silverado truck engine or a high-output Cadillac performance motor, these bearings provide the stability and longevity you demand.

Key Features

  • Engineered for Performance: Built to withstand the rigors of high-performance driving and racing.
  • Precision Sizing: .025mm undersize for precise clearance on machined crankshafts.
  • Improved Lubrication: 270-degree oil groove design maximizes oil distribution to the main journals.
  • Broad Compatibility: Fits a wide range of GM LS-based engines including 4.8L, 5.3L, 5.7L, and 6.0L variants.

The LS platform is renowned for its potential, and these ACL bearings are the perfect choice to ensure your rotating assembly stays secure. By reducing friction and improving heat dissipation, these bearings help extend the life of your engine under heavy load. Trust in the proven quality of ACL to keep your GM vehicle running at peak performance. For all your engine component needs, rely on the experts at GGCRACING.

…and 145 additional fitments. Contact us to confirm yours.

Customer reviews

No reviews yet. Bought this part? Tell other drivers how it fits and performs.

Recently viewed