The Beehive Springs are good up to. 570 lift, ideal for many mild to hot camshaft grinds. They feature premium manganese bronze valve guides for long wear with particular emphasis placed on holding precision tolerances on valve seat concentricity.
Edelbrock Cylinder Head Bare 77620;
Edelbrock Cylinder Head Bare 7764;
Edelbrock Cylinder Head Bare 77670;
Edelbrock Cylinder Head Bare 77618;
Edelbrock Cylinder Head Bare 77621;
Edelbrock Cylinder Head Bare 77678;