COMP Cams new 26903 single valve springs are a product of innovative design and superior craftsmanship. Engineered with state-of-the-art Techniques using premium wire, they redefine reliability and consistency in the performance automotive aftermarket. The 26903 valve springs are an excellent choice for many flat tappet cams in Applications with limited installed height, anywhere from 1.500" to 1.700", depending on the lift. They easily fit numerous spring pockets with a 1.404" outer diameter, offering versatility across many Applications.