ACL Bearings 4B1870A-STD Standard Connecting Rod Bearings with Duraglide Coating

ACL Bearings 4B1870A-STD Standard Connecting Rod Bearings feature the advanced Duraglide bearing material for superior performance and durability. Duraglide is ACL's premium tri-metal bearing technology that combines a steel backing with a specialized aluminum-tin alloy overlay and a polymer coating for enhanced load capacity and wear resistance.

Key Features:

• Duraglide tri-metal construction with polymer surface treatment
• Standard (STD) size for OEM crankshaft journals
• Engineered for high-performance and racing applications
• Superior fatigue strength and conformability
• Excellent debris embedability protects crankshaft surfaces
• Enhanced oil retention properties reduce friction and wear

ACL Race Series connecting rod bearings are precision-manufactured to exacting tolerances and designed for demanding engine builds. The Duraglide material provides exceptional performance under extreme loads and temperatures, making these bearings ideal for modified street engines, performance rebuilds, and competition use.