Enginetech BB618J030 Connecting Rod Bearing Set 0.030" Undersize Ford 370 429 460

The Enginetech BB618J030 is a complete connecting rod bearing set designed for Ford big-block engines including the 6.1L (370 ci), 7.0L (429 ci), and 7.5L (460 ci) V8 engines. This set is sized .030" undersize for use with crankshafts that have been machined to standard rebuilding specifications.

Advanced Bearing Technology:

• Aluminum-silicon alloy construction for superior performance and durability
• High strength material with excellent load capacity and wear resistance
• Precision-controlled parting line chamfers ensure proper oil flow without reducing oil pressure
• Manufactured on state-of-the-art equipment for consistent wall thickness and proper oil clearances
• Complete set includes 8 bearing pairs for all connecting rods

Technical Specifications:

• Bearing width: 0.866 inches
• Wall thickness: 0.0753-0.0758 inches
• Recommended oil clearance: 0.0008-0.0032 inches
• Shaft diameter range: 2.4992-2.5000 inches (standard specification)
• Housing bore: 2.6522-2.6530 inches

Enginetech bearings feature advanced aluminum-silicon alloy material that provides performance equal to or better than traditional tri-metal designs, with improved embeddability and anti-seizure properties. These bearings are manufactured to OE specifications and have been trusted by professional engine builders for over 25 years.