A-303 : B-303 : 1.480" OD, .703" ID, Valve Spring Shims

Goodson Tools & Supplies

$19.99 
Order No. A-303

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Use these Valve Spring Inserts to support valve springs better. They won't compress to maintain pressure and protect heads from spring abrasion.

Two thicknesses are available:

  • .060" - for springs in service
  • .030" - for new springs