Description
Flowtech 99153FLT – Header Gasket, Big Block Chevy, Round Port
Flowtech Real-Seal Header Gaskets are constructed of separate layers of “Dead Soft” aluminum. They will work when an o-ringed gasket will not because the “Dead Soft” aluminum conforms to create a leak-proof seal. Fits only with port shape listed. Please verify port shape on header and match to proper gasket.
Key Features:
- Exhaust Header Gasket
- Rear Seal
- Round Port
Note: Automotive Stuff is an authorized dealer of all Flowtech products, so your new product will include the full factory warranty.
Flowtech Performance Exhaust was founded in 1994, by Gary Biggs – exhaust market expert, and became the leader in value priced exhaust systems in less than two decades. In 1999 Flowtech joined Holley Performance Products.






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