Enginetech BC305J020 Main Bearing Set Ford 3.9L 240 CID +0.020" Oversize

The Enginetech BC305J020 is a complete main bearing set engineered for Ford 3.9L (240 cubic inch) inline-six engines. Manufactured to meet or exceed OEM specifications, these bearings provide precise dimensional tolerances and superior surface finishes for optimal oil film retention and long-lasting crankshaft support.

Key Features:

• Application: Ford 3.9L (240 CID) inline-six engine
• Oversize: +0.020" (0.50mm) undersize crankshaft journals
• Material: Premium tri-metal bearing construction for durability and wear resistance
• Precision machined to exacting tolerances for proper oil clearance and crankshaft alignment
• Full set includes all main bearing pairs required for complete engine assembly
• OEM-equivalent fit — direct replacement, no modification required

Enginetech is a trusted name in engine rebuilding components, supplying professional engine builders and machine shops with high-quality internal engine parts. The BC305J020 main bearing set is ideal for engine rebuilds, remanufacturing projects, or any application where the crankshaft main journals have been ground 0.020" undersize.