King Performance XPG Rod Bearing 52mm STD Intake Manifolds and Accessories Max Gains: +18% HP

Max Gains: +18% HP

and the only feature that rolled over from the Gen4 range was the mounting orientation

Drain back design assures that any oil accumulation ends up where it needs to be: in the oil pan

Accumulator Groove

the not-equal length exhaust manifold can lead the efficiency of other cylinders

King Performance XPG Rod Bearing 52mm STD Intake Manifolds and Accessories Max Gains: +18% HPThese 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