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The COMP Cams 0.030" valve spring shim with a 1.480" outside diameter and 0.765" inside diameter equalizes installed spring heights to promote consistent valve seating and operation. Constructed from high-quality shim stock and heat-treated for resistance to radical cam lobes, it helps maintain uniform spring installed height under demanding cam timing. Available individually or as part of kits.
COMP Cams Spring Shim .030 X 1.480
