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COMP Cams dual valve spring set rated for .660" lift is built for street and strip use, offering enhanced valve-train stability and durability. Made from Super Clean wire and quality-tested, the twin-spring design resists harmonic issues and handles increased lift found in demanding applications. Dimensions list the outer spring at 1.320" OD and the inner at .680" ID.
COMP Cams Dual Valve Springs .660in Lift
