Flowtech Real-Seal Header Gaskets - SB Chevy - Round Ports M59MC 1982-1991 GMC C3500

1982-1991 GMC C3500

TH400 and TH350 automatic transmissions

Does not fit models with Dual Mode Exhaust option

2002-2013 Chevrolet Tahoe

Flowtech Real-Seal Header Gaskets - SB Chevy - Round Ports M59MC 1982-1991 GMC C3500Flowtech Real Seal header and collector gaskets are a revolutionary break through in exhaust sealing technology. Constructed of separate layers of "Dead Soft" aluminum, REAL SEALS provide a do it once solution that will not burn or blow out. Real Seal gaskets will work when an o ringed gasket will not because the "Dead Soft" aluminum conforms to create a leak proof seal. Real Seals can also be easily trimmed for port matching and you can use them over