Best Remflex Header Gaskets in 2026
Daisy
Last Updated: Feb 6, 2026
Daisy
Last Updated: Feb 6, 2026
* 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.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
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
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
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
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
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
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
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
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Dweekiy d1 | 9.69 | ❌ | ❌ | ❌ |
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.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
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
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Fircar Store | 9.84 | ✅ | ✅ | ✅ |
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.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Eugee | 9.67 | ❌ | ❌ | ❌ |
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.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| FastCatMachine | 6.99 | ❌ | ❌ | ❌ |
"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
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
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
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
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
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Remflex | 6 |
| Duokon | 1 |
| Dweekiy | 1 |
| Gskmotor | 1 |
| Hedman Hedders | 1 |
| Mr. Gasket | 1 |
We've carried out a comprehensive analysis of 688 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 $28.06, with top brands including and
Our team of expert editors reviewed these high-quality items and handpicked the top 11 header gaskets for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the categories category. These include and .
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.
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