Enginetech BC159J25 Main Bearing Set .25mm Undersize for GM 1.4L Turbo

The Enginetech BC159J25 is a precision-engineered crankshaft main bearing set designed for GM Chevrolet 1.4L turbocharged Ecotec engines. This set features a .25mm (0.010") undersize specification, making it ideal for crankshaft journals that have been machined undersize during engine rebuilding or reconditioning.

Key Features:

• High-quality alloy construction optimized for turbocharged engine applications
• Manufactured on state-of-the-art equipment ensuring consistent bearing thickness for proper oil clearances
• Precisely controlled parting line chamfers cut at the correct angle for optimal oil bleed-through without reducing oil pressure
• High-strength material with excellent load capacity to handle turbocharged cylinder pressures
• Superior anti-friction properties including wear resistance, anti-seizure, and embeddability characteristics
• .25mm (0.010") undersize for machined crankshaft journals

Enginetech main bearings provide extra protection and better durability for your engine rebuild. These bearings are specifically designed to meet or exceed OEM specifications, ensuring reliable performance in demanding turbocharged applications. Note: Thrust washers sold separately when required.