ACL 5M7299HX-STD Chevy V8 LS Gen III/IV Standard Main Bearing Set

GM LS Gen III - IV - main bearing set with 120 degree oil groove - Extra .025mm / 0.001" oil clearance and Standard crankshaft journal diameter

The ACL 5M7299HX-STD main bearing set is designed for GM Chevy V8 LS Gen III and Gen IV engines using standard-size crankshaft main journals. Engineered for performance and rebuild applications, this bearing set features a 120-degree oil groove to support consistent lubrication across the main bearing surface.

Each bearing incorporates an additional 0.001 inch of oil clearance compared with a conventional standard-clearance bearing. This extra clearance can help accommodate performance-oriented engine builds and support reliable oil control when matched with the appropriate crankshaft, oiling system, and engine assembly specifications. The bearings are manufactured to ACL standards for dependable fit, load distribution, and service performance.

Designed for automotive engine applications, the ACL 5M7299HX-STD provides a practical replacement solution for rebuilding compatible LS Gen III and Gen IV powertrains. Verify crankshaft journal condition, bearing housing alignment, and engine-specific requirements before installation. This set is intended for standard crankshaft journal diameter applications and should be installed using the manufacturer's recommended clearances, torque procedures, and lubrication practices.

What's Included

• One ACL main bearing set
• Standard-size main bearings for compatible GM Chevy V8 LS Gen III/IV applications

Fitment

Compatible with select GM Chevy V8 LS Gen III and Gen IV engine applications. Confirm exact engine configuration, crankshaft specifications, and required bearing clearance before ordering.

Features:

• Application: Designed for compatible GM Chevy V8 LS Gen III and Gen IV engines
• Bearing Type: Main bearing set for engine rebuild and performance applications
• Crankshaft Fit: Standard crankshaft main journal diameter
• Oil Groove: 120-degree oil groove promotes consistent oil distribution
• Oil Clearance: Provides an additional 0.001 inch of oil clearance
• Brand Quality: Manufactured by ACL for dependable engine assembly performance
• Performance Support: Helps maintain reliable lubrication and load distribution in demanding applications
• Installation Requirement: Verify engine-specific fitment, journal condition, and final bearing clearance before installation

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1