COMP Cams Spring Shim .030 X 1.640

Marsoni

M251S

$17.73

Get it in 3 business days with 1 day shipping. Friday, May 29

COMP Cams Spring Shim .030 X 1.640These . 030" thick Valve Spring Shims with 1. 640" outside diameter and . 635" inside diameter are used to equalize the installed height of valve springs. Made from the highest quality shim stock, these shims are heat treated to stand up to radical Cam lobes. Kits are also available. Catalog User 1

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Runs much larger than I expected. I am 5’4”& 136 pounds. Usually wear a medium or large in some knit tops. So I need to stitch the side seams in hopes it will fit better. I like the weight and softness of the fabric, but really disappointed in the too large armholes. Unwearable for me until I can sew new side seams.

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Reviewed in the United States on February 11, 2026