A-305-HP : B-305-HP : C-305-HP : 1.437" OD, 0.785" ID, HP Valve Spring Shims

Goodson Tools & Supplies

$19.99 
SKU: A-305-HP

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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.

Three thicknesses are available:

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