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COMP Cams Valve Spring Shims For GM LS Engines

Memphis, TN – New valve spring shims from COMP Cams equalize the installed height of valve springs in GM LS engines. Available in three thicknesses (.015″, .030″ and .060″), the shims are engineered from high-quality material and heat-treated to withstand radical cam lobes in LS engines with 1.300″ spring pocket and .520″ valve guide diameters.

The shims are sold individually or in kits of 16 or 100. A kit containing 16 each of the three thicknesses, for a total of 48 shims, is also available.

Quick Facts

 Product: COMP Cams GM LS Valve Spring Shims

Part Number: #4717-16, #4763-16, #4788-16, #4608 (kit containing 16 of each thickness)

Street Price: $9.60 (ea. set); $24.48 (-16 part numbers)

Social Media Pitch: New valve spring shims from COMP Cams equalize the installed height of valve springs in GM LS engines

Features & Benefits:

  • Allows for accurate adjustment of valve spring installed heights
  • Made from premium materials & heat-treat­ed to withstand radical cam lobes
  • Designed for GM LS engines w/ 1.300″ spring pocket & .520″ valve guide diameters