King B-Series/K-Series Performance Main Bearings (STDX) suspension The SpeedFactory 3 Filter Oil

The SpeedFactory 3 Filter Oil Catch Can prevents oil vapors and contaminants from entering your engine's intake system

5mm Viton valve stem seal set delivers OEM-quality sealing for Honda K-series exhaust valves

This SpeedFactory billet battery tie down delivers OEM-quality retention for Honda and Acura applications

advanced crown architecture

King B-Series/K-Series Performance Main Bearings (STDX) suspension The SpeedFactory 3 Filter OilKing B Series K Series Performance Main Bearings deliver precision engineering for high performance Honda engines. These STDX standard size bearings feature advanced metallurgy and tight tolerances to withstand extreme combustion pressures and sustained RPM loads. Engineered for forced induction and naturally aspirated builds, they provide superior load capacity and reduced friction for maximum horsepower transfer. Essential for serious engine