ACL Bearings 6B699A-30 Standard Connecting Rod Bearings .030 Undersize

ACL Bearings 6B699A-30 Standard Series connecting rod bearings are precision-engineered for Ford inline 6-cylinder engines including 240 ci and 300 ci displacements commonly found in 1965-1996 trucks and vans. These bearings feature ACL's proven tri-metal construction designed for reliable performance in stock and mild performance applications.

Key Features:

• Tri-metal bearing construction with steel backing for superior strength and heat dissipation
• .030" (0.030") undersize specification for reground crankshafts
• Precision tolerances ensure proper oil clearance and bearing retention
• Copper-lead overlay provides excellent conformability and embedability to accommodate minor surface imperfections
• Optimized bearing geometry for reliable hydrodynamic oil film formation
• Engineered to withstand the demands of daily driving and moderate load conditions

ACL Standard Series bearings deliver the quality and durability expected from a leading bearing manufacturer, making them an excellent choice for engine rebuilds and replacements where crankshaft journal machining is required. Each bearing set is manufactured to strict dimensional tolerances to help maintain consistent clearances throughout the engine rebuild process.