The COMP Cams dual spring set includes twelve dual springs with a 1.700" installed height and a 1.437" OD. This matched 12-spring package offers a specific spring rate profile (402 rate noted) intended for builders assembling a dual-spring valve-train setup. Sold as a complete set, it supports rebuilds where the specified installed height and spring rate are required to achieve the desired valve control.
COMP Cams Valve Springs For 990-975