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To improve oil flow
Less stress on valve train components
The immunity to hydrogen embrittlement and corrosion of these materials is a significant design consideration
although I’m sure it will be copied
All diaphragms endure a four-stage
King Performance XPG Main Bearings Thrust #5 .25 Shortblocks To improve oil flowThese bearings are specifically engineered to solve premature bearing failure caused by low oil pressure or oil starvation that has plagued the high output Subaru EJ series boxer engines. To improve oil flow, oil slots on the King XPG bearings are replaced with oil holes for better oil distribution in the groove and more consistent oil flow. Fully grooved number three main bearings enable 360 oiling to number two and number three rod bearings. King
