Race engines with modified camshafts place increased stress on OEM springs due to the extra lift. It's imperative that the springs can accommodate this extra lift or they will break through being overly compressed, and potentially damage the cam followers.
Schrick valve springs are designed to complement their camshaft, valves and cam followers perfectly and fitting their springs at the same time as replacing the camshaft is highly recommended.
Available for the M20 2.0-2.5 and as Single or Double Springs. The 304/304 cam must have double springs.
Price is per spring set, ie double springs are a set of 2.
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