King Engine Bearings MB 625AM0.5 Main Bearing Set Honda G25A1/G25A4 0.5mm Undersize

The King Engine Bearings MB 625AM0.5 is an OE-replacement crankshaft main bearing set designed for the Honda G25A1 and G25A4 2.5-liter SOHC 5-cylinder engines. This set is sized at +0.5mm undersize, making it the correct choice for engines with cranks that have been ground to the 0.5mm undersize specification during engine rebuilding.

This set belongs to King's AM Series — the brand's standard aluminum-based bi-metal bearing line. The AM Series uses King's softest bi-metal material, well-suited for passenger car engines operating under low to medium loads. The set includes 6 pairs of main bearing shells to cover all main journal positions in the 5-cylinder engine.

Key Features:

• OE-Replacement Grade: AM Series bi-metal construction designed for direct OE-quality replacement
• Aluminum-Based Bi-Metal Material: King's standard aluminum alloy — the softest and most conformable bi-metal in their product range
• 0.5mm Undersize: Engineered for crankshafts that have been reground to the 0.5mm undersize specification
• 6 Pairs Included: Complete main bearing set covering all journals for the Honda G25A1/G25A4 engine
• Lead-Free Construction: Environmentally responsible, lead-free bearing material for safety and compliance
• Precision Tolerance Control: King's Bull's Eye Tolerance™ manufacturing process ensures consistent wall thickness and accurate fitment

King Engine Bearings has specialized exclusively in engine bearings since 1960, applying knowledge gained from aviation and motorsport applications to every bearing they manufacture. The MB 625AM0.5 is an ideal solution for engine rebuilders performing a crankshaft grind on Honda Vigor and Acura TL applications equipped with the G25A1 or G25A4 engine.