Ensure the equal installed height of all of your valve springs with these 1.437" outer diameter, .030" thick, heat-treated spring shims.
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With a .590" maximum lift, these Beehive Valve Springs were designed for Hydraulic or solid flat tappet cams as well as Hydraulic Roller cams. They allow big block engines to turn more RPM. COMP Cams...
$302.95