Performance-design anti-pump up liftersAdvanced internal oil meteringBleed-down rates adds peak RPMsOutside diameter is 0.904"Hydraulic flat tappet style
The Crane Anti-Pump Up Hydraulic Lifters provide precise oil metering control using exclusive check ball internal valving. The bleed rate of these camshaft performance lifters is maintained by microtolerances that prevent pump-up, which limits RPM potential.
Brand: Crane Cams, Model: 99278-12