ACL Bearings 5M1728-030 Main Bearing Set Oversize - 030

The ACL Bearings 5M1728-030 is a precision-engineered main bearing set designed for .030" oversize crankshaft applications. Manufactured in Tasmania, Australia for over 70 years, ACL has been a major OEM supplier to the automotive industry while providing an extensive replacement product range with a global reputation for robust metallurgy, quality, precision, innovation and performance.

Key Features:

• Bimetal aluminum construction - the same metallurgy used by foreign and domestic car manufacturers as standard OE components
• Manufactured to exacting tolerances with particular attention paid to wall thickness accuracy, ensuring reliable fit and consistent clearances
• Improved eccentricity to compensate for bore distortion at high-speed operation and assist in formation of hydrodynamic oil film
• .030" oversize specification for reground crankshaft journals
• Complete main bearing set for engine rebuild applications

High-performance driving requires high-performance parts to withstand the demands of heavy-duty usage, and ACL engine bearings are specially made to provide the dependability needed to hold up under higher RPM conditions. This bearing set delivers the quality and precision required for professional engine rebuilds and performance applications.