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Up to 10% offVendor:Cometic GasketCometic .265in x .500in x .555in x .645in Metal Jacket Valve Stem Seal - Yellow - 16 Pack
Regular price $40.13Sale price $40.13 Regular priceUnit price per$44.59You Save $4.46! -
Up to 10% offVendor:Cometic GasketCometic 98-02 Dodge Cummins 24V Yellow Intake Valve Stem Seal - Single
Regular price $2.46Sale price $2.46 Regular priceUnit price per$2.73You Save $0.27! -
Up to 10% offVendor:Cometic GasketCometic 0.344in x 0.562in x 0.485in x 0.677in Viton Valve Stem Seal - Positive Ring & Band - 16 Pack
Regular price $34.03Sale price $34.03 Regular priceUnit price per$37.81You Save $3.78! -
Up to 10% offVendor:Cometic GasketCometic 11/32in x 0.500in x 0.531in x 0.623in Viton Valve Stem Seal - Metal Jacket - 16 Pack
Regular price $31.61Sale price $31.61 Regular priceUnit price per$35.11You Save $3.50! -
Up to 10% offVendor:Cometic GasketCometic 5X11.8X21X17.1 Viton Valve Stem Seal - Metal Jacket - 16 Pack
Regular price $52.35Sale price $52.35 Regular priceUnit price per$58.17You Save $5.82! -
Up to 10% offVendor:Cometic GasketCometic 5.5X11.6X20.2X17.2 Viton Valve Stem Seals - Metal Jacket - 16 Pack
Regular price $48.62Sale price $48.62 Regular priceUnit price per$54.01You Save $5.39! -
Up to 10% offVendor:Cometic GasketCometic 6 X 12 X 10 X 13.7 Valve Stem Seal - Viton Metal Jacket
Regular price $2.19Sale price $2.19 Regular priceUnit price per$2.44You Save $0.25! -
Up to 10% offVendor:Cometic GasketCometic 6mm x 9.5mm x 10mm x 13.2mm Viton Valve Stem Seal - Metal Jacket - 16 Pack
Regular price $50.30Sale price $50.30 Regular priceUnit price per$55.87You Save $5.57! -
Up to 10% offVendor:Cometic GasketCometic 7.5 x 14 x 13 x 16.8 Viton Valve Stem Seal - 16 Pack
Regular price $41.27Sale price $41.27 Regular priceUnit price per$45.85You Save $4.58! -
Up to 10% offVendor:Cometic GasketCometic 7.5X14X13X16.8 Viton Valve Stem Seal - Metal Jacket
Regular price $2.66Sale price $2.66 Regular priceUnit price per$2.95You Save $0.29! -
Up to 10% offVendor:Cometic GasketCometic 8 x 12.3 x 12 x 17 Viton Valve Stem Seal - Positive Ring & Band - 16 Pack
Regular price $33.78Sale price $33.78 Regular priceUnit price per$37.53You Save $3.75! -
Up to 10% offVendor:Cometic GasketCometic Positive Ring and Band 8 x 12.3 x 12 x 17 Viton
Regular price $2.08Sale price $2.08 Regular priceUnit price per$2.31You Save $0.23! -
Up to 10% offVendor:Cometic GasketCometic 6 x 11.75 x 15 x 14.6 Viton Metal Jacket Valve Stem Seal - 16 Pack
Regular price $23.87Sale price $23.87 Regular priceUnit price per$26.52You Save $2.65! -
Up to 10% offVendor:Cometic GasketCometic 6 x 11.75 x 15 x 14.6 Viton Metal Jacket Valve Stem Seal
Regular price $1.45Sale price $1.45 Regular priceUnit price per$1.61You Save $0.16! -
Up to 10% offVendor:Cometic GasketCometic 91-98 Nissan KA24DE DOHC 16V 2.4L Intake/Exhaust Valve Stem Seals
Only 1 leftRegular price $23.87Sale price $23.87 Regular priceUnit price per$26.52You Save $2.65!
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.