COMP Cams Dual Spring w/ Damper 1.560 OD 1.950 IH .760 Lift SetCOMP Cams' new 26953 dual valve springs are a product of innovative design and superior craftsmanship, with a lineage back to NASCAR competition. Engineered with state of the art techniques and premium wire processing, they redefine reliability and consistency in the performance automotive aftermarket. The 26953 is geared towards race oriented solid flat tappet and aggressive roller applications, with up to . 750 lift at an installed height of 1. 950.