Best Remflex Header Gaskets in 2026

Daisy
Last Updated: Jul 17, 2026

At a Glance: Our Top Picks for Remflex Header Gaskets

Remflex 2006 Exhaust Gasket for Chevy V8 Engine, (Set of 2)
#TOP1
Remflex 2006 Exhaust Gasket For Chevy V8 Engine,
9.7
PM SCORE
Remflex 3003 Square Port Exhaust Header Gasket
#TOP2
Remflex 3003 Square Port Exhaust Header Gasket
9.6
PM SCORE
Remflex 6004 Exhaust Gasket for Mopar V8 Engine, (Set of 2)
#TOP3
Remflex 6004 Exhaust Gasket For Mopar V8 Engine,
9.6
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Remflex Header Gaskets of 2026

Market Overview
Remflex Header Gaskets Reviewed
  • Reviews Analyzed: 1361 Items
  • PM Avg. Rating: 7.0 / 10
18 Products Evaluated
  • Highest Price: $41.59
  • Lowest Price: $11.99
  • Avg. Price: $28.14

Remflex 2006 Exhaust Gasket For Chevy V8 Engine, (Set Of 2)

REMFLEX
2006
26.00 X 4.70 X 0.30 Inches
0.40 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

1-3/8 inch width x 1-1/2 inch width Square Port - Matches the Stock cast iron Head Port; Chevy V8 - SB 262, 265, 267, 283, 302, 305, 307, 327, 350, 400, Stock Port, Manifold or Headers, 2/Set

Port configuration comparable to Fel-Pro 1404

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

Heating and cooling of the exhaust system causes header and manifold flanges to warp resulting in gaps between the head and header which Remflex exhaust gaskets seal completely due to the thickness and compressibility of the 100 percent flexible graphite

Remflex 3003 Square Port Exhaust Header Gasket

REMFLEX
3003
22.10 X 19.25 X 0.55 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

1-1/8 inch width x 1-1/2" height Stock Square Port; Ford V8 - 302 ('81-'95), 351 ('69-'97) Windsor, 1-1/8" x 1-1/2" Square Port, Manifold or Headers, 2/Set

Heating and cooling of the exhaust system causes header and manifold flanges to warp resulting in gaps between the head and header which Remflex exhaust gaskets seal completely due to the thickness and compressibility of the 100 percent flexible graphite

Remflex exhaust gaskets come in a standard 1/8 inch thickness and are designed to crush 50 percent allowing them to fill any pits or gaps in the flange surface up to 1/16 inch

The aluminum cylinder head and steel header or manifold combination are configurations that readily cause gap issues in the mating flanges due to contraction and expansion of the dissimilar materials; Remflex exhaust gaskets fill those gaps permanently

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

Remflex 6004 Exhaust Gasket For Mopar V8 Engine, (Set Of 2)

REMFLEX
6004
26.00 X 5.00 X 0.50 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Remflex’s unique flexible graphite material has been proven for more than 30 years

1-7/32 inch width x 1-25/32 inch height Square End Ports; Mopar V8 - Magnum 318 ('92-'02), 360 ('93+), Square End Ports, Manifold or Headers, 2/Set

Remflex exhaust gaskets come in a standard 1/8 inch thickness and are designed to crush 50 percent allowing them to fill any pits or gaps in the flange surface up to 1/16 inch

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

Fit type: Universal Fit

Mr. Gasket 77 Exhaust Gasket Performance Material 0.0625 In. X 10.000 In. X 10.000 In.

MR. GASKET
77
0.00 X 0.00 X 0.00 Inches
0.30 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Enables you to build your own infinitely customizable gaskets

Made of a heat resistant tear resistant compressed fiber laminate

can be trimmed into any configuration to meet your exact specifications

Comes in a 10 inch by 10 inch square

Remflex 3008 Exhaust Gasket For Ford V8 Engine, (Set Of 2)

REMFLEX
3008
11.75 X 25.90 X 0.60 Inches
0.50 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

1-9/16 inch width x 2-5/16 inch height Square Port; Ford V8 - FE 352, 390, 410, 428 (includes Tbird and Cobra Jet), Manifold and Some Headers, 2/Set

Includes Thunderbird 1961 - 1964

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

Heating and cooling of the exhaust system causes header and manifold flanges to warp resulting in gaps between the head and header which Remflex exhaust gaskets seal completely due to the thickness and compressibility of the 100 percent flexible graphite

Hedman Hedders 27340 Exhaust Header Gasket Square Exhaust Header Gasket

HEDMAN HEDDERS
27340
23.50 X 6.00 X 0.25 Inches
1.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Part number: 27340

Orem equivalent part number: 27340

Package Weight : 0.09 kilograms

Package Dimensions: 0.508 L x 58.42H x12.7W(centimeters)

Remflex 6002 Exhaust Gasket For Mopar V8 Engine, (Set Of 2)

REMFLEX
6002
6.00 X 6.00 X 24.00 Inches
0.42 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Remflex’s unique flexible graphite material has been proven for more than 30 years

1-7/8 inch width x 1-3/8 inch height Square Port; Mopar V8 - 361, 383, 400, 413, 426 Wedge, 440, 1-7/8" x 1-3/8" square Port, Manifold or Headers, 2/Set

Remflex exhaust gaskets come in a standard 1/8 inch thickness and are designed to crush 50 percent allowing them to fill any pits or gaps in the flange surface up to 1/16 inch

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

Fit type: Universal Fit

Remflex 2003 Exhaust Header Gasket

REMFLEX
2003
6.00 X 6.00 X 24.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

1-13 inch width x 1-7/8 inch height Square Port; Chevy V8 - BB 396/6.5L, 402/6.6L, 427/7.0L, 454/7.4L ('65-'90), Stock Port, Manifold or Headers, 2/Set

Port configuration comparable to Fel-Pro 1410

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

Heating and cooling of the exhaust system causes header and manifold flanges to warp resulting in gaps between the head and header which Remflex exhaust gaskets seal completely due to the thickness and compressibility of the 100 percent flexible graphite

Remflex 11-001 Exhaust Gasket For Oldsmobile V8 Engine, (Set Of 2)

REMFLEX
11-001
6.00 X 6.00 X 24.00 Inches
0.40 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Two 1-1/2 inch width x 1-29/32 inch height Divided Center Ports; Oldsmobile V8 - 260, 307, 330, 350, 350, 400, 403, 425, 455 ('64-'90), Headers Only, 2/Set

1-7/16" wide x 1-15/16" high Square End Ports

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

Heating and cooling of the exhaust system causes header and manifold flanges to warp resulting in gaps between the head and header which Remflex exhaust gaskets seal completely due to the thickness and compressibility of the 100 percent flexible graphite

Fit type: Universal Fit

Remflex 3028 Exhaust Header Gasket

REMFLEX
3028
6.00 X 6.00 X 24.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

1-1/4 inch width x 1-5/8 inch height Large Square Port; Ford V8 - 289-351 Windsor, Large Square Port, (Aftermarket Cylinder Heads - 2" BH Spacing), 2/Set

For use with Aftermarket Cylinder Heads with 2" Bolt Hole Spacing on each port

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

Heating and cooling of the exhaust system causes header and manifold flanges to warp resulting in gaps between the head and header which Remflex exhaust gaskets seal completely due to the thickness and compressibility of the 100 percent flexible graphite

Exhaust Gaskets, 2Pcs Square Port Copper Header Exhaust Gaskets Reusable Fit For For Sb 327 305 350 383

DWEEKIY
DWEEKIYQMUKO9ZYFR
3.94 X 3.94 X 3.94 Inches
0.52 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Dweekiy d1 9.69

Features

Fit for : SBC Header Gaskets Fits for SB 283-327-350-383-400 engines.

Fit for : SBC Header Gaskets Fits for SB 283-327-350-383-400 engines.

Fit for : SBC Header Gaskets Fits for SB 283-327-350-383-400 engines.

How to work : SBC Header Gasket Square Port Seal perfectly every time by creating a tight leakproof seal by using a clad o-ring design that will last.

Premium Material: Copper Exhaust Gaskets made of the top quality solid copper material for maximum durability, not easy to crack.Reusable, no sealant required, good performance.

Remflex 2005 Exhaust Gasket For Chevy V8 Engine, (Set Of 2)

REMFLEX
2005
6.00 X 6.00 X 24.00 Inches
0.45 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Remflex’s unique flexible graphite material has been proven for more than 30 years

Port configuration comparable to Fel-Pro 1404/1405

Popular for aftermarket aluminum heads AFR, Dart and others

1-17/32 inch width x 1-19/32 inch height Square Port; Chevy V8 - SB 262, 265, 267, 283, 302, 305, 307, 327, 350, 400 ('55-'00), Square Port, Headers, 2/Set

Fit type: Universal Fit

Exhaust Manifold Gasket Set - 2 Pcs Square Port Copper Header Exhaust Gaskets Reusable Repair Replacement For For Chevy Sb 327 305 350 383

GSKMOTOR
GSK-2286954
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Fircar Store 9.84

Features

These Copper Plating​ Exhaust Gaskets are fit for SB Chevy 283-327-350-383-400 engines. Original standard, direct replacement for your old or broken one.

The Gsk moto Exhaust Gaskets are made with top quality copper plating material for maximum durability.

Seal perfectly every time by creating a tight leakproof seal by using a clad o-ring design that will last!

Original standard, direct replacement for your old or broken one. Come with two gaskets for easy to install and operate.

Perfect vehicle repair replacement parts, high quality, fast delivery, excellent service.

Qiilu 2Pcs Header Exhaust Gasket Seal, Square Port Copper Header Exhaust Gaskets Reusable Fit For Sbc 327 305 350 383

DUOKON
DUOKONVOEGGBH2A4
3.94 X 3.94 X 3.94 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Eugee 9.67

Features

Applicable models ---- Each time you use a coated O-ring design to create a tight leak-proof seal, suitable for SB Chevy 283-327-350-383-400 engine, please check the car model before buying, avoid buying the wrong one.

Excellent material ---- Header Exhaust Gasket Seal is made of high-quality solid copper material. It has great durability, is firm and not easy to crack.

Reusable ---- Exhaust Manifold Gasket Set is a partial component. It is flexible and can be reused. It does not require a sealant. It can adjust the fixed length according to actual needs and has good performance.

Original Standard ---- Exhaust Manifold Gasket Set is manufactured using the original standard and can perfectly seal the exhaust pipe! It is possible to directly replace the old or damaged one, which is necessary for fixing the exhaust pipe.

Easy installation ---- The package has two washers for easy installation and operation. You can complete the installation yourself. There is no need to ask the professional knowledge.

Remflex 6019 Exhaust Gasket For Mopar V8 Engine, (Set Of 2)

REMFLEX
6019
26.00 X 5.00 X 26.00 Inches
0.45 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
FastCatMachine 6.99

Features

"1-7/8 inch width x 1-5/8 inch height square port; mopar v8 - indy 440 cylinder head, 1-7/8" x 1-5/8" square port, 2/set"

heating and cooling of the exhaust system causes header and manifold flanges to warp resulting in gaps between the head and header which remflex exhaust gaskets seal completely due to the thickness and compressibility of the 100 percent flexible graphite

remflex exhaust gaskets come in a standard 1/8 inch thickness and are designed to crush 50 percent allowing them to fill any pits or gaps in the flange surface up to 1/16 inch

the aluminum cylinder head and steel header or manifold combination are configurations that readily cause gap issues in the mating flanges due to contraction and expansion of the dissimilar materials; remflex exhaust gaskets fill those gaps permanently

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

Fit type: Universal Fit

Remflex 3007 Square Port Exhaust Header Gasket

REMFLEX
3007
26.00 X 5.00 X 0.50 Inches
0.40 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Reflex's unique flexible graphite material has been proven for more than 30 years

Manifold or header applications

1-15/16 inch width x 2-5/32" Square Port; Ford V8 - 351 ('70-'74) Cleveland 4bbl Carb. (Includes Boss, High Output and Cobra Jet) Square Port, 2/Set

Remflex exhaust gaskets come in a standard 1/8 inch thickness and are designed to crush 50 percent allowing them to fill any pits or gaps in the flange surface up to 1/16 inch

Hedman Hedders 27560 Exhaust Header Gasket 1.75 In. Square Port Exhaust Header Gasket

HEDMAN HEDDERS
27560
23.00 X 4.90 X 0.40 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
SUPER SHOPS 9.64

Features

Exhaust Header Gasket; 1.75 in. Square Port;

Hedman Hedders 27550 Exhaust Header Gasket Square Port Exhaust Header Gasket

HEDMAN HEDDERS
27550
24.00 X 6.00 X 0.50 Inches
0.31 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Country Of Origin: United States

Model Number: 27550

Item Package Dimension: 23.0" L x 5.0" W x 0.13" H

Item Package Weight: 1.0 lb

Top 10 header gaskets Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Remflex 11
Hedman Hedders 3
Duokon 1
Dweekiy 1
Gskmotor 1
Mr. Gasket 1

Top 10 header gaskets Brands Pie Chart


We've carried out a comprehensive analysis of 1,361 reviews on header gaskets, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select header gaskets priced around $28.14, with top brands including and

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We are dedicated to assisting our users in finding the right gaskets Products based on their needs, saving them considerable time when choosing which header gaskets to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.