ACL Bearings 5M1038P-01 Performance Main Bearing Set

The ACL Bearings 5M1038P-01 is a high-quality main bearing set engineered for demanding applications where durability and reliability are critical. ACL utilizes advanced bimetal aluminum bearing technology, which replaced lead-content bearings for environmental considerations, providing an ideal balance of performance and longevity.

Key Features:

• Precision manufacturing with exacting tolerances and particular attention to wall thickness accuracy ensures reliable fit and consistent clearances
• Blend of characteristics providing high strength and excellent seizure resistance
• No flash plating applied to improve bearing retention and maximize heat transfer
• Available in oversizes for conveniently aligning bore blocks and undersizes for ground cranks
• P-Series designation indicates performance-grade construction suitable for heavy duty, motorsports, and street performance applications

ACL Race Series performance engine bearings are recognized as a premier brand throughout the motorsports world, used in race engines from sport compact drift racing to NASCAR, IHRA and NHRA competitions. Based in Launceston, Tasmania, Australia, ACL has been manufacturing high-quality engine bearings for more than 70 years, maintaining ISO-certified manufacturing processes that ensure consistent quality and precision.