Enginetech BC370J020 Main Bearing Set Ford Mazda Undersize - 2.3L 0.020

The Enginetech BC370J020 is a crankshaft main bearing set designed for Ford 2.3L (140 cubic inch) and select Mazda 2.3L engines. This bearing set features a 0.020 inch (0.50mm) undersize specification for engines with reground crankshafts requiring precision-machined bearings to restore proper oil clearances.

Key Features:

• High-quality aluminum alloy bearing material for superior wear resistance and durability
• Precision-controlled parting line chamfers for proper oil flow without reducing oil pressure
• Manufactured on state-of-the-art equipment ensuring consistent bearing thickness
• Includes thrust washers where appropriate for complete installation

Enginetech bearings are manufactured in ISO, QS, and TS certified facilities to meet or exceed OE specifications. The aluminum alloy construction provides excellent load capacity, anti-friction properties, and embeddability for reliable engine protection during rebuilds.