Seller notes

This listing is for a box of brand new high performance valve spring shims made by Silver Seal/VSI. Box includes 48-50 shims that are .060" thick. They are the high performance version shims that are designed to better stand up to stiffer valve spring pressures than the stock style shims. Please measure the spring pocket and valve guide diameter on your heads to ensure the correct size you need before ordering. This set fits many of the following big block Chevy V8 engines and also many of the f...

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