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COMP Cams 502-12 - Comp Cams Valve Stem Seals



COMP Cams 502-12 - Comp Cams Valve Stem Seals

JEGS Part Number: 249-502-12

Umbrella Seals
  • Guide Size: Stock
  • Valve Size: 11/32''
  • 12/pkg
  • $13.17
    Ships 08/01/16
    if Ordered Today

    Specifications:

    Diameter (in.)
    0.34375
    Machine Work Required
    No
    Quantity
    Sold as a set of 12
    Valve Stem Diameter (in.)
    0.344
    Valve Stem Seal Material
    Rubber
    Valve Stem Seal Type
    Umbrella
    Manufacturer's Part Number:
    502-12

    Comp Cams offers a complete line of valve stem seals, from the stock GM O-ring to the positive stop PTFE seal. These seals are a must to keep unwanted oil from entering the combustion chamber through the clearance in the valve guides. O-ring seals use the standard retainer and oil splash shield. Umbrella seals are normally used when a larger-than-stock diameter spring is used; in the case of a double spring, positive stop PTFE seals are used. There is also a smaller diameter Viton seal available for triple spring applications. O-rings and umbrella seals require no machining, but PTFE seals require the heads to be disassembled so the top guides can be machined with a special .530" diameter cutter. Whenever you're planning an overhaul or cam change, don't forget the valve seals!

    Features:
  • Excellent Sealing Properties
  • O-Ring & Umbrella Seals Require No Machining

  • Does this fit your vehicle?

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    • Liter: 4.9
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    • CUI: 300
    • EngineType: L6

    1984-1985 FORD F-150

    • CC: 4917
    • Liter: 4.9
    • SubModel: XL
    • CUI: 300
    • EngineType: L6

    1986-1991 FORD F-150

    • EngineType: L6
    • SubModel: SUPER CAB

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    • CC: 4917
    • Liter: 4.9
    • SubModel: BASE
    • CUI: 300
    • EngineType: L6

    1980-1982 FORD F-150

    • EngineType: L6
    • SubModel: CUSTOM

    1982 FORD F-350

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    • Liter: 4.9
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    • CUI: 300
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