COMP Cams' new 26911 single valve springs are a product of innovative design and superior craftsmanship. Engineered with state-of-the-art techniques and premium wire, they redefine reliability and consistency in the performance automotive aftermarket. The 26911 valve springs are an excellent choice for many flat tappet and hydraulic roller applications where a single spring is d esired and have a pocket for a 1.486 ” OD. They are designed to operate around a 1.850" installed height and can run .550" lift while still being under 350 lbs open load for flat tappet applications, or run .650" lift for hydraulic rollers with over 380 lbs of open load! This spring is a workhorse that can be paired with many packa ges, ensuring exceptional performance and durability in a wide range of applications. Whether you're seeking improved dynamics, enhanced valve control, or unmatched reliability, we have the valve springs to deliver the perfect solution. Elevate your engine's dependability and confidence on the road with COMP Cams valve springs.