Hydraulic Roller Lifters:
These Crower hydraulic roller lifters combine the performance level of a roller with the reliability of a hydraulic. They feature a completely redesigned body and bearing, and can be retrofitted for earlier-style blocks.
Mechanical Roller Lifters:
These roller lifters from Crower deliver 200 percent more life expectancy than competing brands. They feature crowned bearings and crowned outer races that greatly reduce lobe tracking.