Enginetech BC305J040 Main Bearing Set - Ford 3.9L 240, 4.1L 250, 4.9L 300 Inline 6

The Enginetech BC305J040 is a precision-engineered main bearing set designed specifically for Ford inline 6-cylinder engines, including the 3.9L (240 ci), 4.1L (250 ci), and 4.9L (300 ci) configurations. These main bearings provide the critical interface between the crankshaft and engine block, ensuring proper oil clearance and reliable engine operation.

Key Features:

• Direct replacement main bearing set for Ford inline 6 engines
• Engineered to OEM specifications for proper fit and clearance
• High-quality bearing material for durability and wear resistance
• Standard size (STD) with .040" undersize for crankshaft journals
• Suitable for engine rebuilds and performance applications

Enginetech is a trusted name in engine components, offering quality replacement parts for professional rebuilders and automotive enthusiasts. This main bearing set is ideal for restoring proper clearances during engine rebuilds on classic Ford trucks and vehicles equipped with the legendary inline 6 engines.