ACL Bearings 5M829HC-01 Race Series Main Bearing Set Chevrolet Big Block - 396-454

The ACL Bearings 5M829HC-01 is a Race Series main bearing set designed for Chevrolet V8 396/402/427/454 cubic inch big block engines, featuring CT-1 dry film lubricant coating for enhanced performance and protection. These bearings are 0.0005 inch thinner per half to provide 0.001 inch of extra oil clearance for standard sized crankshafts, making them ideal for high-performance and racing applications where increased clearances are beneficial.

Key Features:

• Multi-layered tri-metal copper alloy construction that blends characteristics to provide high strength and excellent seizure resistance
• Calico CT-1 coating provides dry film lubrication that helps reduce friction and abrasive wear, specifically engineered to withstand extreme conditions of high performance engines
• Manufactured to exact tolerances ensuring a reliable fit with extended grooves, increased crush, bearing eccentricity, and enlarged I.D. chamfers
• Race Series bearings designed for extreme endurance under harsh conditions, high RPMs, and big boost applications

ACL is an engine builder's top choice for quality and consistency, serving as an Original Equipment supplier, trusted by professional builders and racers worldwide. The CT-1 coating provides intermittent dry lubrication and is not affected by dust or dirt, offering superior protection during engine assembly and break-in periods.