ACL Bearings 4B8140A-.75 Duraglide Standard Connecting Rod Bearings

ACL Bearings 4B8140A-.75 are standard size connecting rod bearings featuring Duraglide bearing material technology. Duraglide is ACL's proprietary tri-metal bearing construction that combines a steel backing with a copper-lead-tin intermediate layer and an aluminum-tin overlay, engineered to provide exceptional load capacity, conformability, and resistance to fatigue in high-performance and racing applications.

Key Features:

• Duraglide tri-metal construction for superior strength and durability
• Standard sizing with .75mm undersizing for precision fitment
• Enhanced conformability to accommodate minor surface imperfections
• Excellent embedability to trap contaminants and protect journal surfaces
• High fatigue resistance for demanding performance conditions
• Precision manufactured to strict OEM tolerances

ACL Race Series bearings are designed for professional engine builders and performance enthusiasts who demand maximum reliability and longevity. The Duraglide material is ideal for applications requiring excellent protection against bearing wear while maintaining proper oil clearances throughout the engine's service life.