Valve Stem Diameter (in.)
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Valve Stem Diameter (mm)
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Valve Stem Diameter (in.)
- 0.315 in. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 0.344 in. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Valve Stem Diameter (mm)
- 8.00mm (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 8.74mm (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.

Engine Valve Stem Oil Seals

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Trick Flow® Valve Seals TFS-54500454-2

Valve Seals, Positive Stop, Viton®, .500 in. Guide Diameter, Ford, TFS R-Series Heads, Pair

Part Number: TFS-54500454-2

Estimated Ship Date: Dec 4, 2026 if ordered today

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Estimated Ship Date: Dec 4, 2026 if ordered today

Valve Stem Seals, Viton® Fluoroelastomer, Positive Stop, .500 in. Guide, 11/32 in. Valve Stem, Pair

Part Number: TFS-54500455-2

Estimated Ship Date: Dec 4, 2026 if ordered today

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Estimated Ship Date: Dec 4, 2026 if ordered today