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3/8" X .625" Valve Seals, Viton, Fixed Body, 16 pieces, VSS-271

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Calculated at checkout

Product Description

Fixed Body Positive Valve Seals, Premium Blue Viton

Valve Seals, Universal Fit

 3/8" X .625"



Alex’s Parts valve seal selection is quite extensive, we offer more fitment details, material choices and seal types than anyone else on the net.

If you’re looking for quality valve seals, you’ve come to the right place!

Since we carry seals from major OEM suppliers, our Private Label valve seal line is second to none.

Savvy builders know to purchase their seals from a knowledgeable source, we use what we sell.


Specification Data:

  • Size: 3/8” X .625”
  • Fits: 3/8" Valve Stems.
  • Fits: .625” Guide Boss Diameter.
  • Outside Diameter: .742" (average)
  • Seal Material: Premium Viton
  • Material Temp Rating: 450F
  • Seal Type: Fixed Body
  • Number of seals included in purchase: Sixteen
  • Valve seal protector sleeve included? NO- 3/8" currently not available.


Some applications for this seal size:

  • BBC w/ guides measuring .625" (some BBC have 8- .625" and 8- .615" guides) be sure to measure)
  • FE Ford w/ guides machined to .625"
  • Any 3/8" valve application w/ a .625" guide diameter


Need a different size seal? Check our other categories and if you can’t find what you’re looking for, send us a message.

Bulk seals are available special order. Write for details.

Alex’s Parts, the smart choice in valve train products~

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