The COMP Cams single spring set includes twelve 1.437" OD single springs with a 1.500" installed height, supplied as a full 12-spring package for rebuilds or replacements. These single outer springs provide the basic spring function of controlling valve motion and seating, allowing builders to match installed height requirements and assemble a spring package appropriate for the intended valve-train setup.
COMP Cams Valve Springs 1.437in Outer