ACL Bearings 8B831A-10 Connecting Rod Bearing Set Undersize - 010

The ACL Bearings 8B831A-10 is a high-quality connecting rod bearing set designed for AMC and Jeep V8 390-401 cubic inch engines from 1968-1978. This set features a .010 inch undersize specification for use with reground crankshafts or worn journals.

Key Features:

• Bimetal aluminum bearing construction for superior strength and durability
• Hardened steel backing to improve support of bearing lining and assist with bearing retention in the housing
• Elimination of flash plating on bearing backs to improve heat transfer and maximize grip between bearings and housing
• Increased eccentricity to compensate for bore distortion at high RPM and assist in hydrodynamic oil film formation
• Tight, consistent wall tolerances to help maintain proper clearances
• Enlarged ID chamfers on bearing edges to accommodate large fillet radii on performance crankshafts
• Manufactured to exacting tolerances for a perfect fit and optimal performance

ACL Bearings are recognized throughout the automotive industry for their precision engineering and quality construction, making them suitable for both OEM replacement and performance applications. Each bearing is designed to provide long service life and reliable performance in demanding conditions.