Spoon recommends the use of valve springs when switching over from your factory camshafts to their racing camshafts. As with all valve springs, they reduce the risk of valve float and allow you to take full advantage of your race cam. Spoon S2000 valve springs are single springs as opposed to most "dual" aftermarket performance valve springs. The reason behind the single spring is that it saves valvetrain weight and cannot bind with an inner spring. These springs are much stiffer than stock, but wi
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