Engine Gaskets, Seals & More

Valve Seals, Positive Stop, Viton® Fluoroelastomer, 8mm Stem, 0.500 in. Guide, Set of 16, LS1 hat style with single spring locator

Part Number: SME-143008

4.7 out of 5 stars ( 10 )

Estimated Ship Date: Monday 11/3/2025

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

Part Number: CCA-529-16

4.09 out of 5 stars ( 11 )

Estimated Ship Date: Monday 11/3/2025

Valve Stem Seals, Intake and Exhaust, Chevrolet, LS, Set of 16

Part Number: BTC-VS-LSHAT-KIT

5.0 out of 5 stars ( 15 )

Estimated Ship Date: Monday 11/3/2025

Valve Stem Seals, Viton®, Positive Stop, .530 in. Guide, 0.344 in. Valve Stem, Set of 16

Part Number: CCA-518-16

4.66 out of 5 stars ( 35 )

Estimated Ship Date: Monday 11/3/2025

Valve Stem Seals, Intake and Exhaust, Chevrolet, LS, Set of 16

Part Number: BTC-VSLSKIT

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/3/2025

Valve Stem Seals, Viton® Fluoroelastomer, Positive Stop, 11/32 in. Valve Stem, .500 in. I.D, Set of 16

Part Number: TFS-30400454

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/3/2025

Valve Seals, Positive Stop, Viton Fluoroelastomer, 0.341 in. Guide, For OEM Heads, Ford, Set of 16

Part Number: TFS-2500100-VSS

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 11/3/2025

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 )

Estimated Ship Date: Monday 11/3/2025

Valve Stem Seals, Viton®, Positive Stop, .530 in. Guide, 11/32 in. Valve Stem, Set of 8

Part Number: MAN-24045-8

5.0 out of 5 stars ( 11 )

Estimated Ship Date: Monday 11/3/2025

Valve Stem Seals, PTFE, Positive Stop, .530 in. Guide, 3/8 in. Valve Stem, Set of 16

Part Number: CCA-505-16

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 11/3/2025

Valve Stem Seals, Viton®, Positive Stop, .500 in. Guide, 0.342 in. Valve Stem, Set of 16

Part Number: CCA-517-16

4.45 out of 5 stars ( 22 )

Estimated Ship Date: Monday 11/3/2025

Valve Stem Seals, Viton®, Positive Stop, .530 in. Guide, 11/32 in. Valve Stem, R-Series Heads, Set of 16

Part Number: TFS-52400454

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/3/2025

Valve Seals, Positive Stop, Viton®, .375 in. Stem, .500 in. Guide, Set of 16

Part Number: CCA-514-16

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/3/2025

Valve Stem Seals, Viton®, Positive Stop, .530 in. Guide, 0.372 in. Valve Stem, Set of 16

Part Number: CCA-515-16

5.0 out of 5 stars ( 11 )

Estimated Ship Date: Monday 11/3/2025

Valve Stem Seals, Viton®, Mopar Hemi, Set of 16

Part Number: CCA-531-16

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/3/2025

Valve Stem Seals, Viton®, Mopar Hemi, Set of 16

Part Number: CCA-532-16

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/3/2025

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

Part Number: TFS-51400454

4.89 out of 5 stars ( 18 )

Estimated Ship Date: Monday 11/3/2025

Valve Stem Seals, Rubber, Umbrella, 3/8 in. Valve Stem, Set of 16

Part Number: CCA-504-16

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 11/3/2025

Valve Stem Seals, Viton®, Positive Stop, .500 in. Guide, 11/32 in. Valve Stem, Set of 8

Part Number: MAN-24043-8

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/3/2025

Valve Stem Seals, PTFE, Positive Stop, .500 in. Guide, 0.313 in. Valve Stem, Set of 16

Part Number: CCA-511-16

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Monday 11/3/2025

Valve Stem Seals, Viton® Fluoroelastomer, Positive Stop, 8mm Valve Stem, for Trick Flow® LS1 Heads, Set of 8

Part Number: TFS-30600455

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/3/2025

Valve Seals, Positive Stop, .375 in. Stem, .530 in. Guide, Set of 16

Part Number: CCA-522-16

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 11/3/2025

Valve Stem Seals, Viton®, Positive Stop, .500 in. Guide, 5/16 in. Valve Stem, Set of 8

Part Number: MAN-24042-8

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/3/2025

Valve Stem Seals, Brown, Exhaust, Chevy, Small Block, LS, Set of 8

Part Number: NAL-12482062

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/3/2025

Valve Stem Seal, Umbrella, Viton Rubber, Set of 16

Part Number: FEL-SS71152

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/3/2025

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