Best Mahle Original Exhaust System Gaskets in 2026

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

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

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

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

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

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

"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