B-301 : 1.375" OD, 0.765" ID, .030" Thick Valve Spring Shims (100)

Goodson Tools & Supplies

$19.99 
SKU: B-301

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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. One thickness are available:

.030" - for new springs