Engine Valve Stem Oil Seals - 8.74mm Valve Stem Diameter (mm) - PTFE Valve Stem Seal Material - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

COMP Cams Valve Seals 503-16

COMP Cams Valve Seals 503-16

Valve Stem Seals, PTFE, Positive Stop, .530 in. Guide, 11/32 in. Valve Stem, Set of 16

Part Number: CCA-503-16

3.23 out of 5 stars ( 22 )

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COMP Cams Valve Seals 510-16

Valve Stem Seals, PTFE, Positive Stop, .500 in. Guide, 11/32 in. Valve Stem, Set of 16

Part Number: CCA-510-16

3.78 out of 5 stars ( 9 )

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Allstar Performance High Performance PTFE Valve Seals ALL90240

Valve Stem Seals, PTFE, .531 in. Guide Diameter .620 in. Outside Diameter, 11/32 in. Valve Stem, Set of 16

Part Number: AAF-ALL90240

3.0 out of 5 stars ( 2 )

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Allstar Performance High Performance PTFE Valve Seals ALL90241

Valve Stem Seals, PTFE, .500 in. Guide Diameter, .600 in. Outside Diameter, 11/32 in. Valve Stem, Set of 16

Part Number: AAF-ALL90241

5.0 out of 5 stars ( 1 )

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COMP Cams Valve Seals 503-12

32 Metal with PTFE Seal

Part Number: CCA-503-12

4.5 out of 5 stars ( 2 )

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Crower Valve Stem Seals 86072-16

Valve Stem Seals, PTFE, Positive Stop, .530 in. Guide, 11/32 in. Valve Stem, Set of 16

Part Number: CRO-86072-16

5.0 out of 5 stars ( 1 )

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COMP Cams Valve Seals 503-8

Valve Stem Seals, PTFE, Positive Stop, .530 in. Guide, .344 in. Valve Stem, Set of 8

Part Number: CCA-503-8

5.0 out of 5 stars ( 1 )

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Manley All-PTFE Valve Stem Seals 24037-16

Valve Seals, Positive Stop, PTFE, 0.344 in. Stem, 0.500 in. Guide Diameter, Set of 16

Part Number: MAN-24037-16

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

Manley All-PTFE Valve Stem Seals 24035-16

Valve Stem Seals, Positive Stop, PTFE, 0.344 in. Stem, 0.530 in. Guide, Set of 16

Part Number: MAN-24035-16

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

Manley All-PTFE Valve Stem Seals 24035-1

Valve Stem Seals, SEALS-11/32 STEM

Part Number: MAN-24035-1

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

Manley All-PTFE Valve Stem Seals 24037-1

Valve Stem Seals, SEALS-11/32 STEM

Part Number: MAN-24037-1

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

COMP Cams Valve Seals 510-1

Valve Stem Seal, PTFE, Positive Stop, .500 in. Guide, 11/32 in. Valve Stem, Each

Part Number: CCA-510-1

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today