Engine Gaskets, Seals & More

Valve Stem Seals, Viton®, Positive Stop, .530 in. Guide, 11/32 in. Valve Stem, Set of 100

Part Number: PIO-OS-938-100

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Valve Stem Seal, Positive Stop Type, PTFE, 0.313 in. Diameter, Each

Part Number: CCA-500-1

Not Yet Reviewed

Estimated Ship Date: Today

Valve Stem Seal, Viton®, Positive Stop, .530 in. Guide, 11/32 in. Valve Stem, Each

Part Number: CCA-529-1

Not Yet Reviewed

Estimated Ship Date: Today

Valve Stem Seal, Viton® Fluoroelastomer, Positive Stop, .500 in. Guide, 11/32 in. Valve Stem, Each

Part Number: TFS-51400454-1

Not Yet Reviewed

Estimated Ship Date: Today

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 )

Estimated Ship Date: Today

Valve Stem Seal, Viton® Fluoroelastomer, Positive Stop, 11/32 in. Valve Stem, .500 in. I.D, Each

Part Number: TFS-30400454-1

Not Yet Reviewed

Estimated Ship Date: Today

Valve Stem Seal, Viton®, Positive Stop, .530 in. Guide, 11/32 in. Valve Stem, R-Series Heads, Each

Part Number: TFS-52400454-1

Not Yet Reviewed

Estimated Ship Date: Today

3/8" X .500" METAL BODY VITON VALVE SEAL

Part Number: CCA-514-1

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Drop Ship
• Special Order

Valve Stem Seal, Positive Stop, Viton®, 0.313 in. Stem Diameter, 0.530 in. Guide Diameter, Each

Part Number: CCA-516-1

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Drop Ship
• Special Order

Valve Stem Seals, Rubber, O-Ring, 11/32 in. Valve Stem, Set of 12

Part Number: CCA-501-12

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Drop Ship
• Special Order

Oil Seals Valve Stem Set Of 507-8 & 508-8

Part Number: CCA-509-16

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Drop Ship
• Special Order

Valve Stem Seals, SEALS-5/16 STEM

Part Number: MAN-24042-16

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

• Drop Ship
• Special Order

Valve Stem Seals, SEALS-11/32 STEM

Part Number: MAN-24043-1

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

• Drop Ship
• Special Order

Valve Stem Seals, SEALS-3/8 STEM

Part Number: MAN-24044-1

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

• Drop Ship
• Special Order

Valve Stem Seals, SEALS-5/16 STEM

Part Number: MAN-24047-1

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

• Drop Ship
• Special Order

Valve Stem Seals, Positive Stop, Viton®, 0.313 in. Stem Diameter, 0.530 in. Guide Diameter, Set of 12

Part Number: CCA-516-12

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Drop Ship
• Special Order

Valve Stem Seals, PTFE, Positive Stop, .500 in. Guide, 3/8 in. Valve Stem, Set of 12

Part Number: CCA-521-12

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Drop Ship
• Special Order

Valve Stem Seal, PTFE, Positive Stop, .530 in. Guide, 3/8 in. Valve Stem, Each

Part Number: CCA-522-1

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: CCA-517-1

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Drop Ship
• Special Order

Valve Stem Seal, Viton®, Positive Stop, .530 in. Guide, 0.344 in. Valve Stem, Each

Part Number: CCA-518-1

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Drop Ship
• Special Order

Valve Stem Seal, PTFE, Positive Stop, .500 in. Guide, 5/16 in. Valve Stem, Each

Part Number: CCA-519-1

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Drop Ship
• Special Order

Valve Stem Seal, Positive Stop, 11/32 in. Valve Stem, .500 in. Guide Diameter, .550 in. O.D., Each

Part Number: HRS-93370-1

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Drop Ship
• Special Order

Valve Stem Seals, PTFE, Positive Stop, .500 in. Guide, 3/8 in. Valve Stem, Set of 12

Part Number: CCA-512-12

Not Yet Reviewed

Estimated Ship Date: Today

- Chrysler Chrsyler Small Block - 318, 340, 360

Part Number: JEP-CR1000-039

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

1959-1991 GM Chevrolet Small Block 400

Part Number: JEP-GM1004-039

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping