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Toll Free: 877-837-9200

About Us

Flatout Group was established in 1998. We are located in Mundelein, IL, 35 miles Northwest of Chicago. Our core staff has a total of over 50 years of Industrial, Automotive and Heavy-Duty gasketing/engineering expertise.

Flatout Gaskets is proud to offer a solid productline of high performance gaskets. We use only the best grade materials, compounds and coatings. Combined with superior product designs, our gaskets fit better, have excellent bore, bolt-hole and port locations. Flatout Gaskets perform outstanding in today’s extreme and demanding performance engine applications. Our versatile manufacturing capability allows us to produce custom made gaskets for a single customer or volume shipments for the engine builder or WD.

Flatout is Unique

Our goal is to provide our customers with the right products, customized if necessary available when they need them, at a fair price. We strive for short lead-times and on-time deliveries. We believe that one-on-one customer service and technical support is extremely important.

We use our years of gasket experience to develop gasket designs that are second to none. Our gaskets fit better with accurate hole locations, smooth contours and tight tolerances. Flatout Gaskets have proven performance in race engine applications.

We are always looking for ways to upgrade applications, offer better performing gaskets and add new applications to our line-up.

Custom and specialty gaskets for all applications are always welcome at Flatout. Typically a custom part can be taken from design to production in under two weeks. Call our Toll-Free Tech Line (877) 837.9200 to discuss process details and receive a quote.

Mark Adelizzi | President
Mark is primarily focused on new products/business direction, sales, marketing and advertising for Flatout Group. Mark also plays a key role in engineering support and product development, for both gaskets and fabrications. A skilled fabricator, machinist, mechanic with a drive for marketing, Mark has always believed that with a solid plan, the Flatout Group can achieve greatness. An S.A.E. member, holder of two U.S. patents with two others currently pending, Mark is "living a dream" with Flatout Group. Mark is also an avid car guy, Harley enthusiast and outdoorsman.

CHEVY BB 396-454CI GEN. 4 SABERSEAL MLS HEADER Gaskets Ex. Large Round Port 2.40" Dia.(2)
Part Number: 7013M

CHEVY BB 396-454CI GEN. 4 MOLDED RUBBER INTAKE Gaskets Port 1.85"x2.55" .080" FKM/Steelcore w/limiters.(2)
Part Number: 8161

Make: Chrysler Pro
CHRYS/KB/BAE HEMI & BB "ALL SEASON" Oil Pan Gasket .100". Silicone w/steelcore & limiters.(1)
Part Number: 5020

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