ACL Bearings 4B8366H-.50 Race Series Connecting Rod Bearing Set 0.50mm Oversize Toyota 3S-GE 3S-GTE

The ACL Bearings 4B8366H-.50 Race Series connecting rod bearing set is engineered for extreme endurance under harsh racing conditions. Designed specifically for Toyota 3S-GE and 3S-GTE 2.0L engines, these 0.50mm oversize bearings feature tri-metal construction with hardened steel backing for superior durability and performance in high-RPM, high-boost applications.

Race Series Performance Features:

• High strength overlay plate with reduced thickness for improved fatigue properties
• Hardened steel backs on all rod bearings to improve support and bearing retention
• Micron tolerance machining ensures consistent wall thickness and crush for reliable fit
• No flash plating on bearing backs to maximize heat transfer and bearing grip
• Increased eccentricity to compensate for bore distortion at high RPM
• Enlarged ID chamfers to accommodate large fillet radius on performance crankshafts
• F781 bearing material provides high strength and excellent seizure resistance

Technical Specifications:

• Bearing Size: 0.50mm Oversize
• Bearing Width: 21.3mm (0.839 inches)
• Shaft Diameter Range: 47.985-48mm (1.889-1.890 inches)
• Tunnel Size: 51.004-51.024mm (2.008-2.009 inches)
• Maximum Wall Thickness: 1.488mm (0.0586 inches)
• Bearing Half Type: Identical halves
• Material: F781 Tri-Metal with hardened steel backing

ACL bearings are trusted by engine builders worldwide and serve as Original Equipment suppliers to major automotive manufacturers. These Race Series bearings are manufactured to exacting tolerances for consistent quality and reliability in demanding racing applications.