Valve Spring Cap:Original GM valve spring caps for use with 6 and 8 cylinder models. This cap will replace your originals exactly. There are 12 required for 6 cylinder models and 16 are required for 8 cylinder models.
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67-91 6 & 8 Cylinder Valve Spring Cap

Product Details

Valve Spring Cap:Original GM valve spring caps for use with 6 and 8 cylinder models. This cap will replace your originals exactly. There are 12 required for 6 cylinder models and 16 are required for 8 cylinder models.