Enginetech BC204J25 Main Bearing Set GM Chevy 6.6L Duramax .040 Undersize

The Enginetech BC204J25 is a premium main bearing set designed specifically for GM/Chevrolet 6.6L Duramax diesel engines. This set features .040" (0.040 inch) undersize bearings, making it ideal for crankshaft rebuilds where the main journals have been machined undersize to restore proper clearances.

Key Features:

• Engineered for GM/Chevrolet 6.6L Duramax diesel applications
• .040" undersize for reground crankshafts
• Complete main bearing set for full engine rebuild
• Precision manufactured to OE specifications
• High-quality bearing material for durability and performance
• Proper oil clearance restoration for worn crankshafts

Enginetech is a trusted name in engine rebuilding components, providing professional-grade bearings that meet or exceed original equipment standards. This bearing set is essential for properly rebuilding 6.6L Duramax engines with crankshafts that have been turned .040" undersize during machining operations.