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Valve Stem Seal, Rubber, Umbrella, 3/8 in. Valve Stem, Each
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Estimated Ship Date: Oct 23, 2026
Overview
Brand:
Manufacturer's Part Number:
504-1
Part Type:
Product Line:
Summit Racing Part Number:
CCA-504-1
UPC:
036584140191
Valve Stem Diameter (in.):
0.375 in.
Valve Stem Diameter (mm):
9.53mm
Valve Stem Seal Type:
Umbrella
Valve Stem Seal Material:
Rubber
Machine Work Required:
No
Quantity:
Sold individually.
Notes:
Designed for stock valve guide diameter.
COMP Cams Valve Seals
COMP Cams offers a complete line of valve seals, from the stock GM O-rings to the positive-stop PTFE seals. They are a must to keep unwanted oil from entering the combustion chamber through the clearance in the valve guides. The O-ring seals use the standard retainer and oil splash shield. The umbrella seals are normally used when a larger-than-stock diameter spring is used. In the case of a double spring, the positive stop PTFE seals are used. For triple-spring applications, use the smaller-diameter Viton® seals.
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Some parts are not legal for use in California or other states with similar laws / regulations
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