Best Mahle Exhaust Gaskets in 2026

GM-recommended replacement part for your GM vehicle’s original factory component

Offering the quality, reliability, and durability of GM OE

Manufactured to GM OE specification for fit, form, and function

For : GM 200, 228, 230, 260, 898 (5.0 & 5.7L)

Visit Amazon’s SONAR parts finder at fit-guide.seastarsolutions.com to ensure this product will fit your application.

All Sierra parts qualify for and are covered under Sierra's industry leading customer satisfaction warranty

With Siamese port cylinder heads

For : GM 153 & 181 (25 & 30L) CID engs: 120 & 140 hp (s/n 6229718 & Up)

All Sierra parts qualify for and are covered under Sierra's industry leading customer satisfaction warranty

GM recommended replacement part for your GM vehicle’s original factory component

Offering the quality, reliability, and durability of GM OE

Manufactured to GM OE specification for fit, form, and function

Product Type :Auto Part

Package Dimensions :4.2" L X1.4" W X0.2" H

Country Of Origin :China

Driver Side (Part A) Only; GM GMC truck/SUV/Hummer LS ('99-'12), Header/Manifold -to-Exhaust Pipe, Driver Side, 1(each)

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

Package Dimensions :0.508 Cm L X14.605 Cm W X59.436 Cm H

Product Type :Auto Part

Country Of Origin :United States

Both Driver Side (Part A) and Passenger Side (Part B) Gaskets; GM - GMC truck/SUV/Hummer LS ('99-'12), Header/Manifold -to-Exhaust Pipe Flange, 2 Piece 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

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

2 inch width x 1-7/8 inch height Irregular Shape Stock Sport; Chevy V8 - GMC BB 454/496/502 Gen. Mark (IV,V,VI),('91 and Newer), Manifold or Headers, 2/Set

For use with stock cast iron and GM Performance aluminum cylinder heads

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

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

Package Dimensions: 2.54 H x 48.26 L x 10.668 W (centimeters)

Package Weight: 0.25 pounds

Country of Origin : China

Package Dimensions: 15.63" (L) x 5.05" (W) x 0.91" (H)

Package Weight: 0.76 lbs

Package Quantity: 2

Valve Kit,Egr

Economically Priced Aftermarket Product

Made to Last

Free and Fast Same Day Shipping

For : GM 454, 525 (74L & 82L)

Visit Amazon’s SONAR parts finder at fit-guideseastarsolutionscom to ensure this product will fit your application

All Sierra parts qualify for and are covered under Sierra's industry leading customer satisfaction warranty

COPO LS7-style exhaust header gaskets

Designed for high-temperature operation

Stamped metal shim gasket

Fits : MCM/MIE GM V-8 (283, 305, 350 & 377 cid) engines

Visit Amazon’s SONAR parts finder at fit-guideseastarsolutionscom to ensure this product will fit your application

All Sierra parts qualify for and are covered under Sierra's industry leading customer satisfaction warranty

Genuine General Motors OEM product

The package length is 49.784 centimeters

The package height is 0.508 centimeters