Product details:

The crane hydraulic roller lifter is the latest in valve train technology for all street applications. It's reduced operating friction plus the increased torque and horsepower of a roller cam is the best combination for street performance. It produces a broad power band and increased rpm potential with the low-maintenance of a hydraulic cam. Precision check ball internal valving prevents ''pump up. Bodies are cnc computer numerical control machined and assembled with exclusive anti-rotational guide bar design where applicable.