The ACL Race Series Main bearing set in STD size is the perfect choice for those looking to enhance the performance of their crankshaft. With a material made of Race Series (Tri-Metal), this set includes bearings for positions 1 through 7, ensuring a complete and thorough upgrade.

The standard shaft diameter of 2.7157"/2.7165" (68.980mm/69.000mm) guarantees a perfect fit, while the additional 0.001" Extra Oil Clearance provides peace of mind knowing that your engine will be well lubricated during operation. The maximum wall thickness of 0.0975" (2.476mm) and housing bore of 2.9142"/2.9150" (74.020mm/74.040mm) further attest to the durability and quality of these bearings.

Designed for ultimate performance, the ACL Race Series Main bearing set is also compatible with thrust washers 2T7989-STD, ensuring a complete and seamless installation process. Trusted by industry professionals for over 70 years, ACL Race Series bearings are known for their robust metallurgy, precision, and innovation.

With a strong history in motorsport, including partnerships with Formula 1 teams and the Australian Supercars Championship, you can trust that ACL Race Series bearings will deliver unparalleled performance for your engine. Backed by extensive research and development, ACL continues to expand its range of engine bearings to cover a wide variety of applications, ensuring that you can find the perfect bearings for your specific needs.

Choose ACL Race Series Main bearing set in STD size for a reliable, high-performance upgrade for your crankshaft. With a focus on quality, precision, and innovation, ACL Race Series bearings are the top choice for discerning engine builders worldwide.