ACL Bearings 6M5587HX-STD Race Series Main Bearings for Audi RS3 EA855 EVO 2.5L Turbo

The HX designation signifies this set provides an extra 0.001 inch (0.025mm) oil clearance on standard size journals when compared to standard H-STD bearings, making them thinner than stock to allow for increased oil clearance which is a popular preference for engines being built for performance use.

Key Features:

• ACL Race Series performance engine bearings are recognized as a premier brand throughout the motorsports world and are standard components in race engines that have set records and won championships
• High strength overlay plate with reduced thickness for improved fatigue properties
• Hardened steel backs on all bearings to improve support of the bearing lining and assist with bearing retention in the housing
• Increased eccentricity to compensate for bore distortion at high RPM and assist in the formation of hydrodynamic oil films
• Enlarged ID chamfers on bearing edges to accommodate large fillet radius on performance crankshafts
• Standard size bearings with 0.001 inch extra oil clearance for high-performance applications
• Manufactured to exacting tolerances with particular attention paid to wall thickness accuracy

These ACL Race Series main bearings are designed for the Audi RS3 5-cylinder turbo engines and are available in oversizes and with additional oil clearance options. Designed to withstand higher RPM conditions, ACL Race Series Engine Bearings are available for many popular 4, 6, and 8 cylinder applications. Perfect for street performance builds, track use, and racing applications where increased oil clearance is desired for enhanced lubrication under demanding conditions.