Availability
Engine Gaskets, Seals & More
Valve Stem Seals, PTFE, .531 in. Guide Diameter .620 in. Outside Diameter, 11/32 in. Valve Stem, Set of 16
Part Number: AAF-ALL90240
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Stem Seals, Viton®, Positive Stop, .431 in. Guide, 7mm Valve Stem, Set of 8
Part Number: MAN-24041-8
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Seal, Positive Stop, Viton®, 7mm Stem, 0.495 in. Guide, Ford, TFS Heads, Each
Part Number: TFS-52900454-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Seal, 8mm x .500"
Part Number: HRS-93380-1
Not Yet Reviewed
Estimated Ship Date: Jun 17, 2026 if ordered today
Estimated Ship Date: Jun 17, 2026 if ordered today
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: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
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: Jun 22, 2026 if ordered today
Estimated Ship Date: Jun 22, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Turbo Flange Gasket, Stainless Steel, K03, K04 Turbocharger Outlet, 0.016 in. Thick, Each
Part Number: CGT-C15593
Not Yet Reviewed
Estimated Ship Date: Jul 13, 2026 if ordered today
Estimated Ship Date: Jul 13, 2026 if ordered today
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: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
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: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
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: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Valve Stem Seal; Valve Stem Oil Seals; Positive Stop PTFE; Guide .530 in.; Valve Size .375 in.; 1 pc.;
Part Number: CCA-505-1
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Stem Seal; Valve Stem Oil Seals; Steel Jacketed Viton Seal LS1 Engine; Guide Size 0.500 in.; Valve Size
Part Number: CCA-511-1
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
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
Estimated Ship Date: Today
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: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
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: Jun 22, 2026 if ordered today
Estimated Ship Date: Jun 22, 2026 if ordered today
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: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Valve Stem Seal, Positive Stop Type, PTFE, 0.313 in. Diameter, Each
Part Number: CCA-500-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Turbo Flange Gasket, Stainless Steel, GT Series Turbocharger Outlet, 3.0 in. Diameter, 0.016 in. Thick, Each
Part Number: CGT-C15595
Not Yet Reviewed
Estimated Ship Date: Jul 13, 2026 if ordered today
Estimated Ship Date: Jul 13, 2026 if ordered today
3/8" X .500" METAL BODY VITON VALVE SEAL
Part Number: CCA-514-1
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered 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
Estimated Ship Date: Today
1959-1991 GM Chevrolet Small Block 400
Part Number: JEP-GM1004-039
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Valve Stem Seals, SEALS-11/32 STEM
Part Number: MAN-24045-1
Not Yet Reviewed
Estimated Ship Date: Jun 12, 2026 if ordered today
Estimated Ship Date: Jun 12, 2026 if ordered today
Valve Stem Seals, SEALS-5/16 STEM
Part Number: MAN-24047-1
Not Yet Reviewed
Estimated Ship Date: Jun 12, 2026 if ordered today
Estimated Ship Date: Jun 12, 2026 if ordered today
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: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
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