Hydraulic Valve Lifter New Pre-Primed

OE GM lifter assembly that comes pre-primed (pumped up) for immediate installation and use w/o having to go through the unloaded oil priming. Ideal for replacement of one unit for repair and for engine rebuilding (even though you should still prime entire oil system) but almost guarantees that the lifters will not become damaged (extremely common) when engine is first started from being dry.

No other lifter sold in the market is prepared this way.