CHEVROLET 7.4L/454 Gaskets & Seals

Valve Cover Gaskets, Ultra-Seal, Cork/Rubber, Chevy, Big Block, Pair

Part Number: MRG-5863

5.0 out of 5 stars ( 18 )

Estimated Ship Date: Tomorrow

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

Part Number: MRG-5912

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

Head Gasket; Embossed Steel Shim; Gasket Bore 4.370 in.; 0.020 in. Compressed Thickness, Each

Part Number: MRG-1131G

4.4 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

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

Part Number: MRG-5828

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

Exhaust Gaskets, Header, Ultra-Seal, Square Port, Chevy, Big Block, Pair

Part Number: MRG-5910

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

Gaskets, Manifold, Intake, Ultra-Seal, Rectangle Raised, 2.55 in. x 1.85 in. Port .120 in. Thick, BBC, Set

Part Number: MRG-5819

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

Gaskets, Intake, Ultra-Seal, Composite, Oval, 2.16 in. x 1.85 in. Port, .060 in. Thick, Chevy, 396-454, Set

Part Number: MRG-5827

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

Exhaust Gaskets, Header, Ultra-Seal, Steel Core Laminate, Round Port, Chevy, Big Block, Pair

Part Number: MRG-5914

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Gasket, Rubber, Water Outlet, Chevy,Big Block/Small Block, V8, Each

Part Number: MRG-738G

4.54 out of 5 stars ( 13 )

Estimated Ship Date: Tomorrow

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

Part Number: MRG-182

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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: Tomorrow

Exhaust Manifold Gaskets, Aluminum Layered, Square Port, Chevy, Big Block, Pair

Part Number: MRG-7408G

3.82 out of 5 stars ( 11 )

Estimated Ship Date: Tomorrow

Exhaust Gaskets, Header, Seal-4-Good, Aluminum, Round Port, Chevy, Big Block, Pair

Part Number: PTE-66019

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Gaskets, Header Flange, Compressed Fiber Laminate, Chevy, Round Port, Big Block, Pair

Part Number: DOU-HG9303LG

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Gaskets, Header Flange, Compressed Fiber Laminate, Round Port, Chevy, Big Block, Pair

Part Number: DOU-HG9303

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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

Part Number: MRG-7157MRG

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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

Part Number: MRG-153

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Gaskets, Header Flange, Compressed Fiber Laminate, Large D-Port, Chevy, Big Block, Pair

Part Number: DOU-HG9313

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Exhaust Gaskets, Header, Seal-4-Good, Aluminum, 2.15" Round Port, Chevy, Big Block, Pair

Part Number: PTE-66125

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Header Gaskets, Exhaust, Seal-4-Good, Aluminum, Stock Square Port, Chevy, Big Block, Pair

Part Number: PTE-66124

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Exhaust Gaskets, Header, Soft Aluminum, 1.92 in. Round Port, Chevy, Big Block, Pair

Part Number: MRG-7407G

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

Exhaust Gaskets, Header, Seal-4-Good, Aluminum, 2.125 in. Large Square Port, Chevy, Big Block, Pair

Part Number: PTE-66013

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Manual Transmission Bearing and Seal Overhaul Kit, Manual Transmission Small Parts Kit

Part Number: SPZ-ZMSP297-50A

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: MRG-152

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Header Flange Gaskets, Graphite Coated Steel Core Laminate, Round Port, Chevy, Big Block, Pair

Part Number: PTE-H7587

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 16, 2025 if ordered today

• Drop Ship
• Special Order