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Old 08-19-2012, 10:03 PM
jhv48 jhv48 is offline
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Location: Carlsbad, Ca
Cobra Make, Engine: SPF 2932 with 438 Lykins Motorsports engine. Previous owner of FFR 5452.
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Default Which Valve Guide Seals?

I am going to replace the valve guide seals in my 427, Dart block, Roush SRTW engine. However, when I look up valve seals at the local parts stores, there are a multitude of guide and valve stem sizes to choose from. What is the best way to determine which ones will fit my particular heads? Should I just measure the guide and valve stem diameter when I take the valve springs off and then order the seals? Take one of the originals to the parts store? Or is there a standard size I should be considering?
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