Header Gaskets - Ferroglass Non-Asbestos - 396-502 Chevrolet Big Block Mark IV 1965-90

Flowtech, Exhaust header gaskets, Dead Soft P73 Ferroglass Non-Asbestos Material for 1965-1990 Mark IV Chevy Big Block 396-502 engines

PART# 99162FLT

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$15.70   Suggested Retail
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Estimated shipping date: 03/19/2018
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Replacement Header Gaskets for 396-454 Big Block Chevy headers. Kit consists of (2) Header flange gaskets and (2) 3.5" collector 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 Code3
EngineChevrolet Big Block Mark IV
Gasket LineP73 Ferroglass Non-Asbestos
MaterialP73 Ferroglass Non-Asbestos
Port ShapeRound
Port Size1.90"
Product TypeHeader Gaskets
Type of ComponentExhaust Gaskets
Part Number99162FLT


This part is legal for use on Uncontrolled (Non-Emissions Controlled) Vehicles or Racing Vehicles.

The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

  • 1965 and older U.S. manufactured California Certified vehicles
  • 1967 and older U.S. manufactured Federally Certified vehicles
  • 1967 and older Foreign manufactured vehicle

Racing Vehicles are vehicles that are used exclusively for racing or other forms of competition that are not registered and that may never be used on the street.

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      *Free Shipping & Handling only offered to the contiguous US on orders over $100.

      Some parts are not legal for use in California or other states with similar regulations.