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Up to 10% offVendor:Cometic GasketCometic .195inX.414inX.654inX.665in Top Hat Viton Metal Jacket Valve Stem Seal - Set of 32
Regular price $40.91Sale price $40.91 Regular priceUnit price per$45.45You Save $4.54! -
Up to 10% offVendor:Cometic GasketCometic Subaru EJ Series Viton Exhaust Valve Stem Seal - Metal Jacket
Regular price $1.83Sale price $1.83 Regular priceUnit price per$2.03You Save $0.20! -
Up to 10% offVendor:Cometic GasketCometic .281in X .530in X1.035in X 1.372in Valve Stem Seals - Hat Style
Regular price $70.12Sale price $70.12 Regular priceUnit price per$77.90You Save $7.78! -
Up to 10% offVendor:Cometic GasketCometic .162in x .288in .333in x .219in Viton Positive With Ring Valve Stem Seal - 16 Pack
Regular price $89.16Sale price $89.16 Regular priceUnit price per$99.06You Save $9.90! -
Up to 10% offVendor:Cometic GasketCometic .162in x .288in .333in x .219in Viton Positive With Ring Valve Stem Seal
Regular price $5.71Sale price $5.71 Regular priceUnit price per$6.34You Save $0.63! -
Up to 10% offVendor:Cometic GasketCometic 0.344in x 0.530in x 0.527in x 0.674in Viton Valve Stem Seal - Metal Jacket - 16 Pack
Regular price $35.71Sale price $35.71 Regular priceUnit price per$39.67You Save $3.96! -
Up to 10% offVendor:Cometic GasketCometic .265in x .500in x .635in x 1.126in Metal Jacket Valve Stem Seal - Green - 16 Pack
Regular price $33.17Sale price $33.17 Regular priceUnit price per$36.86You Save $3.69! -
Up to 10% offVendor:Cometic GasketCometic 03-08 Dodge Cummins 5.9L ISB Common Rail Green Exhaust Valve Stem Seal
Regular price $2.02Sale price $2.02 Regular priceUnit price per$2.24You Save $0.22! -
Up to 10% offVendor:Cometic GasketCometic .265in x .500in x .635in x 1.126in Metal Jacket Valve Stem Seal - Yellow - 16 Pack
Regular price $33.17Sale price $33.17 Regular priceUnit price per$36.86You Save $3.69! -
Up to 10% offVendor:Cometic GasketCometic 03-08 Dodge Cummins 5.9L ISB Common Rail Yellow Intake Valve Stem Seal
Regular price $2.02Sale price $2.02 Regular priceUnit price per$2.24You Save $0.22! -
Up to 10% offVendor:Cometic GasketCometic .256in x .500in x 1.020in x 1.000in Viton Metal Jacket Hat Valve Stem Seal - 16 Pack
Regular price $73.29Sale price $73.29 Regular priceUnit price per$81.44You Save $8.15! -
Up to 10% offVendor:Cometic GasketCometic 03-08 Ford Powerstroke 6.0L Hat Valve Stem Seal
Regular price $4.46Sale price $4.46 Regular priceUnit price per$4.97You Save $0.51! -
Up to 10% offVendor:Cometic GasketCometic 94-03 Ford Powerstroke 7.3L Hat Valve Stem Seal
Regular price $4.11Sale price $4.11 Regular priceUnit price per$4.56You Save $0.45! -
Up to 10% offVendor:Cometic GasketCometic .265in x .500in x .555in x .638in Metal Jacket Valve Stem Seal - Green - 16 Pack
Regular price $52.38Sale price $52.38 Regular priceUnit price per$58.20You Save $5.82! -
Up to 10% offVendor:Cometic GasketCometic 98-02 Dodge Cummins 24V Green Exhaust Valve Stem Seal - Single
Regular price $3.20Sale price $3.20 Regular priceUnit price per$3.57You Save $0.37!
Why Buy from FAST of West Chester?
This isn’t a warehouse — it’s a performance shop. At FAST of West Chester, every part we sell has been installed, tested, and pushed on real builds.
Led by Dave Brown, our team knows what works, what doesn’t, and what actually delivers results. No guesswork. No wasted money. Just proven performance.
Unlike large online retailers, our recommendations are based on hands-on experience with Subaru, JDM, and performance platforms — ensuring every part we offer delivers reliable performance, fitment, and results.