ACL Bearings 5M2007-STD Standard Size Race Series Main Bearing Set

The ACL Bearings 5M2007-STD is a standard size Race Series main bearing set engineered for high-performance and racing applications. Manufactured to exacting tolerances with particular attention paid to wall thickness accuracy, this set ensures reliable fit and helps maintain consistent clearances throughout the engine's operating range.

Race Series Performance Features:

• Trimetal construction with a unique combination of materials that enhances strength and fatigue resistance, making these bearings ideal for aggressive driving and racing scenarios
• Hardened steel backs on all bearings to improve support of the bearing lining and assist with bearing retention in the housing
• Increased crush factor that enhances bearing retention, ensuring stability during operation
• Elimination of flash plating on the back of the bearings to improve heat transfer and maximize grip between the bearings and housing
• Enlarged ID chamfers on bearing edges to accommodate large fillet radii on performance crankshafts
• Increased eccentricity to improve shape adaptation and compensate for bore distortion at high-speed operation

The unique combination of design, metallurgy and engineering delivers what drivers expect from high-performance trimetal engine bearings designed to withstand higher RPM conditions. ACL Race Series bearings are recognized as a premier brand throughout the motorsports world, serving as standard components in race engines that have set records and won championships in various racing disciplines including NASCAR, IHRA, and NHRA competitions.

This standard size bearing set is manufactured by ACL, a company based in Launceston, Tasmania, Australia, that has been in business for more than 70 years and maintains ISO certified manufacturing processes to ensure consistent quality and performance.