Best Mr Gasket Performance Header Gaskets in 2026

Nickel plated steel

Incudes two 3 in. to 2-1/2 inch reducers

Gaskets/hardware included

Collectors made of nickel plated steel

2-1/2 In. to 2-1/4 In. reducer

Gaskets made from compressed ceramic fiber (ccf) and will not deteriorate or crack from excessive heat or pressure

Serrated teeth grip header flange surface providing a locking action

Thread-lock patch prevents header bolt torque loss and provides positive thread seal

Combination hex/socket head design for easy installation

Manufactured from high-temperature steel core/graphite faced exhaust material

Expanded steel core provides stability and maximum torque retention to eliminate gasket failure

Graphite impregnated facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head

Manufactured from high-temperature acrylic blend exhaust material

Provides excellent sealing and durability

Can be trimmed if necessary for modified port applications

Manufactured from high-temperature steel core/graphite faced exhaust material

Expanded steel core provides stability and maximum torque retention to eliminate gasket failure

Graphite impregnated facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head

Meets or exceeds all original equipment specifications

Application specific design to ensure a perfect fit

Validated for fit

Manufactured from high-temperature steel core/graphite faced exhaust material

Expanded steel core provides stability and maximum torque retention to eliminate gasket failure

Graphite impregnated facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head

One pair of header flange gaskets.

Aluminum - Polished - Center Bolt Valve Covers - Small Block

Chevy - Pair

BBK is your Number One Aftermarket Performance Brand in the USA - American Designed and Built

Premium Graphite Material Ensures Leak Free Seal Every Time

Port Matched For Optimum Flow of All Exhaust Headers

1-3/4" Round Port; Chevy V8 - 396, 402, 427, 454 ('65-'90), 1-3/4" Round Port, For Raised Weld Bead Headers, 2/Set

There are no rubber binders or composite materials in Remflex exhaust gaskets so they will not shrink or harden due to time or temperature eliminating the need to go back and continually retighten your flange bolts

For use with raised weld bead headers; additional sealing material is provided around the weld bead to provide a better seal

Manufactured from high-temperature steel core/graphite faced exhaust material

Expanded steel core provides stability and maximum torque retention to eliminate gasket failure

Graphite impregnated facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head

Package dimensions: 11.43 cms L x 53.34 cms W x 54.61 cms H

Package quantity: 1

Product type: Auto Part

Aluminum Reinforced Graphite Exhaust Manifold Gasket

Complete Hardware Kit for Installing Aftermarket Header to your Vehicle

Great for Replacement of Missing or Damaged Gaskets

Dimensions measure 1.9'' high by 1.9'' wide

Designed to improve the sealing

Has great tensile strength

BBK is your Number One Aftermarket Performance Exhaust Brand in the USA - American Designed and Built

BBK Exhaust is Built with CNC Mandrel Bent Tubing for 35% Increased Flow Over Stock to Add 10-15 Horespower and Improve Torque and Performance

Aircraft Quality Construction, Heavy Gauge 1-3/4" Tubing, 3/8" Laser Cut Flanges, Large Bore Patented Designed Collectors and Custom Precision Hand and Robotic Welds for Long Lasting Quality