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11/32" X .558" Valve Valve Seals, Fixed Body Seals, LT1, ZZ4 & Fast Burn

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Calculated at checkout

Product Description

Fixed Body Positive Valve Seals, Premium Blue Viton

Valve Seals, Chevrolet LT1, ZZ4, Fast Burn & Motorsport

 11/32" X .558"

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

We continue to build our valve seal line and now have one of the largest selections of valve seals available online.

These are from our fixed body valve seal family. Metal Clad body with a small tension spring for consistent oil control.


Specification Data:

  • Size: 11/32” X .558”
  • Fits: 11/32” Valve Stems.
  • Fits: .558” Guide Boss Diameter.
  • Outside Diameter: .663" (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? YES- Two 11/32" sleeves are now included.


Common Applications for this seal size:

  • SBC LT1, ZZ3/4 & GM Fast Burn Heads w/ .558" guides
  • Some Ford Motorsport Aluminum heads w/ .558" guides
  • Any 11/32" valve application w/ a .558" guide diameter


All our seals are available in bulk packs of 100 or more. Write for details.

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

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