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The COMP Cams valve spring shim set is manufactured from premium shim stock and heat-treated to withstand radical camshaft lobe profiles. These 0.030" shims provide a straightforward method to equalize installed spring heights during valvetrain setup, promoting more consistent valve seating. Available in kits to match engine-specific requirements without altering springs or retainers.
COMP Cams Spring Shims Eb .030 X 1.640in
