HUG 5003 RACING HYDRAULIC LIFTER ASSEMBLED W/ HEAVY DUTY RETAINER $8.50
Racing hydraulic lifters for use with an adjustable valve train. Utilizes heavy duty pressed in retainer in place of wire clip.
Note: This lifter is an oil metering type. It can be used in engines that oil through the pushrods. Type of retainer ring may vary from photo.
Any tappet adjusted to .000" preload will operate as an "anti-pump up" lifter. However, when using a lifter with a small wire retaining ring such as OEM lifter (shown as #5001), there is a higher probability of the retainer ring failing with this amount of pre-load. Anytime maximum RPM is necessary and a minimum tappet preload or lash is used, racing lifters with heavy duty retaining rings (#5003) are strongly suggested.
If you are converting an OEM roller lifter engine 1987-1991 to a conventional flat tappet camshaft use P/N 5001 or 5003, along with the proper length pushrods. Do not fill or pump up hydraulic lifters before assembly. They may hold the valves open causing difficult starting and/or engine damage.
For extra strength consider adding our Cryogenic treatment. CLICK HERE
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