1978 Mr. Gasket Gaskets & Seals

Exhaust Gaskets, Header, Ultra-Seal, Steel Core Laminate, Round Port, Adapter Plate, Chevy, Small Block, Pair

Part Number: MRG-5904

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Exhaust Gaskets, Copper, Round Port, Chevy, Big Block, Pair

Part Number: MRG-7157MRG

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Exhaust Gaskets, Header, High-Temperature White, Round Port, Chevy, Big Block, Pair

Part Number: MRG-152A

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Gaskets, Manifold, Intake, Composite, Rectangle, 2.50 in. x 1.75 in. Port, .060 in. Thick, Chevy, 396-454, Set

Part Number: MRG-108

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Valve Cover Gaskets, Cork/Rubber, Chevy, Big Block, Pair

Part Number: MRG-177

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Gasket, Exhaust, Small Block, Chevy, Stock Square Port, Pair

Part Number: MRG-150C

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Gaskets, Manifold, Intake, Composite, Stock Port, AMC, 290/304/343/360/390/401, Set

Part Number: MRG-800G

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Oil Pan Gasket, Rubber-Coated Fiber, Chrysler, Dodge, Jenson, Plymouth, Big Block, Each

Part Number: MRG-397

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Exhaust Gaskets, Copper, Stock Port, Ford, Big Block 385 Series, Pair

Part Number: MRG-7165MRG

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Exhaust Gaskets, Header, High-Temperature White, Stock Port, Chrysler, Big Block, Pair

Part Number: MRG-351

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Exhaust Gaskets, Header, Ultra-Seal, Round Port, Chevy, Small Block, Pair

Part Number: MRG-5902

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Exhaust Header and Manifold Gaskets, Rectangular Port, Aluminum, Dodge, Plymouth, Big Block, Pair

Part Number: MRG-7430G

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Exhaust Gaskets, Header, Stainless Steel, Square Port, Chevy, Big Block, Set

Part Number: MRG-4816G

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Exhaust Gaskets, Header, Copper, D-Port, Pontiac, V8, Pair

Part Number: MRG-7171MRG

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Exhaust Gaskets, Header, Ultra-Seal, Dog Leg Port, AMC, V8, Pair

Part Number: MRG-5950

4.7 out of 5 stars ( 10 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Rear Main Seal, 2-Piece, Ford, Oldsmobile, Big Block 385/V8, Each

Part Number: MRG-1965

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Exhaust Gaskets, Header, Copper, Square Port, Chevy, Small Block, Pair

Part Number: MRG-7151MRG

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Transmission Pan Gasket, Cork/Neoprene, A-727 Torqueflite, Each

Part Number: MRG-8697

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Exhaust Gaskets, Header, Copper, Round Port, Chevy, Small Block, Pair

Part Number: MRG-7152G

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Gaskets, Manifold, Intake, 2.260 in. Height, 1.350 in. Width, .063 in. Thick, Chevy, Small Block, Set

Part Number: MRG-143

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Exhaust Gaskets, Header, Ultra-Seal, Steel Core Laminate, Open Center Port, Pontiac, V8, Pair

Part Number: MRG-5920

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Oil Pan Gasket, Multi-Piece, Cork/Rubber, AMC, 290/304/343/360/390/401, Set

Part Number: MRG-890

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Valve Cover Gaskets, Cork/Rubber, Pontiac, V8, Pair

Part Number: MRG-576

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Valve Cover Gaskets, Ultra-Seal, Cork/Rubber, Ford, Lincoln, Mercury, Small Block/351W, Pair

Part Number: MRG-5870

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Gaskets, Full Set, Chevy, Small Block, Gen I, Set

Part Number: MRG-7100MRG

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air