King Engine Bearings Main Bearing Set for McLaren M838T/M840T

King Engine Bearings Main Bearing Set for McLaren M838T / M840T King Engine Bearings main bearing set engineered specifically for the McLaren M838T and M840T engines. Precision-manufactured to OEM tolerances, this set delivers reliable crankshaft support, consistent oil film retention, and long-lasting durability under high-performance conditions. Direct fit for McLaren M838T & M840T — guaranteed compatibility with factory dimensions and clearances. High-quality materials — tri-metal bearing construction for excellent fatigue strength and wear resistance. Optimized oil grooves — improved hydrodynamic lubrication and thermal stability at high RPMs. Performance & longevity — designed for track use and spirited street driving, resisting distortion and scuffing. Complete set — includes all main bearings required for a full crank installation. Perfect for engine rebuilds, performance upgrades, or preventive maintenance on McLaren 3.8L/4.0L twin-turbo V8s. Backed by King Engine Bearings’ reputation for precision and consistency, this main bearing set helps maintain smooth bearing clearances and reliable engine operation under demanding conditions.