King's advanced control measures hit a bull's-eye, maintaining wall thickness tolerances far tighter than their competitors--an amazing +/- .0001 in.! These XP-Series main bearings are narrowed for large radius crankshafts and feature enlarged, chamfered oil holes with 3/4 grooving for improved oiling.
Fits: GM 4.8 5.3 5.7 6.0 6.2 Gen 3/4 LS Based Engines
King XP Series Bearings are a High Quality Performance bearing that can be used on stock or aftermarket crankshafts