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Vendor:Cometic GasketCometic 40mm x 2.5mm Gasket
Regular price $4.36Sale price $4.36 Regular priceUnit price per -
Vendor:Cometic GasketCometic Kawasaki Outer Clutch Cover O-Ring
Only 4 leftRegular price $2.91Sale price $2.91 Regular priceUnit price per -
Vendor:Cometic GasketCometic 70 Duro L1120 138 Blue Flurorsilicone O-Ring
Regular price $5.94Sale price $5.94 Regular priceUnit price per -
Vendor:Cometic GasketCometic 138 Buna O-Ring
Regular price $1.42Sale price $1.42 Regular priceUnit price per -
Up to 7% offVendor:Cometic GasketCometic GM LML/LGH Duramax 4.130in Bore .047in MLX Cylinder Head Gasket Top End Gasket Kit
Regular price $614.22Sale price $614.22 Regular priceUnit price per$660.45You Save $46.23! -
Up to 7% offVendor:Cometic GasketCometic GM LML/LMM/LGH Duramax Bottom End Gasket Kit
Regular price $205.43Sale price $205.43 Regular priceUnit price per$220.89You Save $15.46! -
Up to 7% offVendor:Cometic GasketCometic GM LMM/LLY Duramax Top End Gasket Kit - 4.130in Bore - .047in MLX Cylinder Head Gasket
Regular price $608.02Sale price $608.02 Regular priceUnit price per$653.79You Save $45.77! -
Up to 7% offVendor:Cometic GasketCometic GM LMM/LGH Duramax Bottom End Gasket Set
Regular price $199.74Sale price $199.74 Regular priceUnit price per$214.77You Save $15.03! -
Up to 7% offVendor:Cometic GasketCometic Street Pro 94-03 Ford 7.3L Powerstroke 4.140in Bore Top End Gasket Kit
Regular price $484.10Sale price $484.10 Regular priceUnit price per$520.55You Save $36.45! -
Up to 7% offVendor:Cometic GasketCometic Street Pro 94-03 Ford 7.3L Powerstroke Diesel V8 Bottom End Gasket Kit
Regular price $214.72Sale price $214.72 Regular priceUnit price per$230.88You Save $16.16! -
Up to 7% offVendor:Cometic GasketCometic GM LLY/LBZ Duramax Top End Gasket Kit - 4.100in Bore - .053in MLX Cylinder Head Gasket
Only 1 leftRegular price $721.23Sale price $721.23 Regular priceUnit price per$775.52You Save $54.29! -
Up to 7% offVendor:Cometic GasketCometic GM LLY/LBZ Duramax Top End Gasket Kit - 4.100in Bore - .051in MLS Cylinder Head Gasket
Regular price $616.36Sale price $616.36 Regular priceUnit price per$662.75You Save $46.39! -
Up to 7% offVendor:Cometic GasketCometic Street Pro 04-07 GM 6.6L Duramax Diesel V8 4.100inch Top End Gasket Kit
Regular price $616.36Sale price $616.36 Regular priceUnit price per$662.75You Save $46.39! -
Up to 7% offVendor:Cometic GasketCometic GM LB7 Duramax Top End Gasket Kit - 4.100in Bore - .045in MLS Cylinder Head Gasket
Only 1 leftRegular price $501.35Sale price $501.35 Regular priceUnit price per$539.09You Save $37.74! -
Up to 7% offVendor:Cometic GasketCometic GM LB7 Duramax Top End Gasket Kit - 4.130in Bore - .053in MLX Cylinder Head Gasket
Regular price $506.57Sale price $506.57 Regular priceUnit price per$544.70You Save $38.13!
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.