ACL Bearings 5B2290A-.25 Connecting Rod Bearing Set 0.25mm Oversize

The ACL Bearings 5B2290A-.25 is a high-performance connecting rod bearing set designed for engine rebuilds requiring 0.25mm (0.010 inch) oversize bearings. These tri-metal Race Series bearings feature precision engineering and state-of-the-art metallurgy for enhanced support and retention under extreme conditions.

Key Features:

• Hardened steel backs on all rod bearings to improve the support of the bearing lining and assist with bearing retention in the housing
• Elimination of flash plating on the back of the bearings to improve heat transfer through the bearings and to maximize the grip between the bearings and its housing
• Tight consistent wall tolerances to help you maintain consistent clearances
• Unique combination of design, metallurgy and engineering come together to deliver what drivers expect from high performance Trimetal engine bearings
• The .25 oversize dimension accommodates engine rebuilds where the crankshaft journals have been machined, ensuring a precise and secure fit

ACL Race Series performance engine bearings are recognized as a premier brand throughout the motorsports world, with rod and main bearings used in engines that have set records and won championships. The 0.25mm oversize specification allows proper bearing clearance when crankshaft journals have been machined for reconditioning. This bearing set includes all necessary bearing halves for complete connecting rod installation during engine assembly.