King Engine Bearings Honda A-Series/B-Series/K-Series (Size +0.50mm) Main Bearing Set

If you're rebuilding the bottom end of your Honda A-Series, B-Series, or K-Series engine, this main bearing set from King Engine Bearings is a solid option. These are main bearings, which sit in the engine block and support the crankshaft, allowing it to spin smoothly. This particular set is sized +0.50mm, meaning it's intended for use when the crankshaft journals have been machined down by 0.50mm to clean up wear or damage.

King Engine Bearings is a well-known name in engine components, and these bearings are built with their PC (Performance Clearances) design. This means they offer slightly tighter clearances than standard bearings, which can help improve oil pressure and reduce bearing wear in performance applications. The material is a high-performance tri-metal overlay, which is a common and effective choice for durability and good friction characteristics in demanding engine builds.

When installing these bearings, make sure to follow the manufacturer's instructions carefully, especially regarding cleaning the crankshaft and block surfaces, and using the correct torque specifications for the main caps. Having the crankshaft professionally measured and machined to the correct +0.50mm size is crucial for these bearings to function as intended.