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Header Gaskets - Ferroglass Non-Asbestos - 326-455 Pontiac V8 1963-79

Flowtech Exhaust header gaskets, Dead Soft P73 Ferroglass Non-Asbestos Material for 1963-1979 Pontiac V8 326-455 engines

PART# 99560FLT

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Replacement Header Gaskets for Pontiac 326-455 headers. Kit consists of (2) Header flange gaskets and (2) 3" collector gaskets


  • Engineered for a precise, easy fit
  • Manufactured of P73 Ferroglass non-asbestos facing material for long life
  • Mechanically clinched to a perforated metal core for superior sealing and strength
  • The inorganic filler system provides strong bolt torque retention properties


Collector Gaskets IncludedYes
Emission Code5
EnginePontiac V8
Gasket LineP73 Ferroglass Non-Asbestos
MaterialP73 Ferroglass Non-Asbestos
Port ShapeOval / D
Port Size1.33" x 1.85"
Product TypeHeader Gaskets
Type of ComponentExhaust Gaskets
Part Number99560FLT



This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.


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