Hi-Tech™ Hydraulic Lifters have a greater bleed rate, which greatly increases vacuum, throttle response and noise. Hi-Tech™ Lifters were designed primarily for extremely hot street machines or racing applications where a vacuum rule is in place or where you must run a hydraulic cam.
Greater Bleed Rate Increases Vacuum
Quick Throttle Response
Pre-Load Can Be Set Between 0.03 Inch To 0.06 Inch
Limited 1 Year Warranty