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11/32" X .552" Viton Valve Seals, Fixed Body, SB Chevy 5.7 Iron Vortec, VSS-287, set of sixteen

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Product Description

Fixed Body Positive Valve Seals, Premium Blue Viton

Valve Seals, Chevrolet 5.7 V8 Iron VORTEC, set of sixteen

 11/32" X .552"



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.

These fit OEM GM iron Vortec heads which have .552" guide diameters. (will not fit Engine-Quest vortec heads, see note at bottom of page)

Our Premium blue viton is superior to many gasket set seals.

Don't take a change, use premium blue Viton in your vortec build.


Specification Data:

  • Size: 11/32” X .552” (.552"-.556" Range)
  • Fits: 11/32” Valve Stems.
  • Fits: .552” Guide Boss Diameter.
  • Outside Diameter: .675" (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- One 11/32" sleeve is now included.


Common Applications for this seal size:

  • SB CHEVY 5.7 Iron Vortec Heads w/ guides measuring between .552"-.556"
  • Any 11/32" valve application w/ a .552" guide diameter


Note: Some aftermarket vortec heads, such as the ones which come from engine-quest have a smaller guide diameter. Most of their guides measure between .542"-.548" Check our other listings for seals to fit heads with other guide diameters.





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

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