The ACL Main bearing set STD Size is a top-quality product from the renowned brand ACL Duraglide. This set is specifically designed for crankshaft applications and includes main bearings for both upper and lower halves.

With OE Part Numbers 18017978 and 12537033, this set is meticulously crafted to meet strict specifications. The minimum standard shaft size is 2.4988in / 63.47mm, while the maximum standard tunnel size is 2.6880in / 68.275mm. The maximum wall at crown is 0.0935in / 2.374mm, ensuring optimal performance and durability.

The material used in the construction of these bearings is F780, known for its strength and reliability. Each component is designed to provide maximum oil clearance, with a minimum vertical oil clearance of 0.0003in / 0.007mm and a maximum of 0.0033in / 0.083mm.

The ACL Duraglide brand has a long-standing reputation for excellence, with over 70 years of experience in manufacturing engine bearings. With a commitment to quality, precision, and innovation, ACL is a trusted supplier to the global automotive industry.

Maintaining ISO certifications for Quality Management, Environmental Management, and Occupational Health & Safety Management, you can trust that ACL products are held to the highest standards of quality and performance. Choose ACL for your crankshaft bearing needs and experience the difference in durability and reliability.