Enginetech BC307J020 Main Bearing Set Ford 5.8L 351M 6.6L 400 Modified Windsor

The Enginetech BC307J020 is a precision-engineered main bearing set designed specifically for Ford 5.8L 351 Modified Windsor and 6.6L 400 cubic inch engines. These main bearings provide the critical interface between the crankshaft and engine block, ensuring proper oil clearance and reliable engine operation.

Key Features:

• Engineered for Ford 5.8L (351 cubic inch) Modified Windsor engines
• Compatible with Ford 6.6L (400 cubic inch) engines
• Standard size main bearing set
• 0.020" undersize for crankshaft regrind applications
• Precision-manufactured to OEM specifications for proper clearances
• High-quality bearing material for durability and wear resistance

Enginetech main bearings are manufactured to strict tolerances to ensure proper fit and longevity. This bearing set is ideal for engine rebuilds where the crankshaft has been machined 0.020" undersize on the main journals. Always verify proper clearances during installation and ensure crankshaft journals are within specification before assembly.