COMP Cams' new 26929 dual 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 26929 is an excellent choice for hydraulic flat tappet cams up to .525" lift solid flat tappet up to .650" lift or hydraulic roller cams up to .740” lift with an installed height of 1.900”. They fit cylinder heads with at least a 1.560" spring pocket. Boasting an open load of 440 pounds these valve springs are geared toward early big block hydraulic roller or solid flat tappet applications with heavy valve trains ensuring exceptional performance and durability. 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 or track with COMP Cams valve springs.