Introducing the ACL Race Series Main Bearing Set in performance .25mm oversize, product code 4M8263H-.25. This crankshaft category product is manufactured by the renowned brand ACL Race Series, known for its top-quality engine bearings.

Made from Race Series Tri-Metal material, these bearings are designed for maximum performance. Suitable for all positions, with a standard shaft diameter of 2.8341" to 2.8346" (71.988mm to 72.000mm), these bearings offer exceptional oil clearance and a maximum wall thickness of 0.0988" (2.510mm). The housing bore ranges from 3.0314" to 3.0321" (77.000mm to 77.016mm), with a maximum length of either 0.7480" (19.00mm) or 0.8810" (22.40mm).

ACL's Race Series is a brand with over 70 years of experience in manufacturing precision engine bearings. As a major OEM supplier to the automotive industry, ACL also provides an extensive range of replacement products for the global aftermarket. Known for its robust metallurgy, quality, precision, innovation, and performance, ACL has a strong presence in motorsport and has a rich history in producing engine bearings for racing applications.

The ACL Race Series Performance Engine Bearings are trusted by engine builders worldwide for their exceptional quality and reliability. With a wide range of applications, covering Australian, American, Japanese, Korean, and European engines, ACL continues to expand its product range to support new engine releases. The company has a high level of vertical integration, from tooling and product design to manufacturing processes, ensuring the highest standards of quality control.

Certified with ISO9001: 2015 Quality Management System, ISO14001: 2015 Environmental Management System, and ISO451001: 2018 Occupational Health & Safety Management System certifications, ACL Race Series Main Bearing Set in performance .25mm oversize is the ultimate choice for discerning engine builders looking for top-notch performance and reliability. Trust the heritage and expertise of ACL for all your engine bearing needs.