King Performance XPG Rod Bearing 52mm .026 FA Shortblocks Input Shaft Diameter (inches): 1

Input Shaft Diameter (inches): 1

The Heavy Duty clutch has a higher clamping load compared to the normal Stage 1 clutches

If you have then chances are pretty darn good that you've rounded off the allen fitting in the stock cam pulley bolts

2015 Subaru WRX STI Limited 2

King Performance XPG Rod Bearing 52mm .026 FA Shortblocks Input Shaft Diameter (inches): 1These 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