King Engine Bearings MB 420AM 010 Main Bearing Set Ford Zephyr V6 Bi-Metal +0.010 Oversize

The King Engine Bearings MB 420AM 010 is a complete main bearing set designed for the Ford Zephyr V6 engine. This set is part of King's AM Series, engineered as a direct OE replacement for passenger car applications requiring reliable, precision-fit crankshaft main bearings.

This listing is for the +0.010" oversize variant, intended for use with crankshafts that have been ground 0.010" undersize. The set includes 4 pairs of bi-metal bearing shells, providing full main journal coverage for the V6 engine.

Key Features:

• AM Series Bi-Metal Construction: Utilizes King's standard aluminum-based overlay material — the softest bi-metal in King's lineup — offering excellent conformability and embeddability
• OE Replacement Grade: Engineered to meet or exceed original equipment specifications for the Ford Zephyr V6
• +0.010" Oversize: Designed for use with journals ground 0.010" undersize during engine rebuilding
• 4 Pairs Included: Complete main bearing set with all required upper and lower shells
• Precision Manufacturing: Tight dimensional tolerances ensure proper oil clearance and optimal crankshaft support
• Ideal for Low to Medium Load Engines: Aluminum-based bi-metal material is well-suited for passenger car engines operating under normal to moderate stress conditions

King Engine Bearings has specialized exclusively in engine bearings since 1960, offering a comprehensive range for automotive, light and heavy-duty truck, marine, aviation, and standby power applications. Every King bearing is manufactured using premium materials and advanced designs to ensure long-lasting performance and reliability during engine rebuild or overhaul.