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1980 Honda CB400TA Hawk Engine Gaskets

Gasket shopping starts with how far the 1980 Hawk engine is coming apart. This selection offers a separate molded valve-cover gasket and an Athena overhaul assortment. Match the existing twin’s sealing surfaces and make a list of the joints being opened.

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Honda CB400 Athena overhaul gasket set

1978-81 Honda CB400 Athena Overhaul Gasket Set

$119.95 USD
18-0103
Rebuild your CB400 engine with this Athena Overhaul Engine Gasket Set. Athena of Italy is an original-equipment supplier to Yamaha, Honda, Kawasaki, Suzuki, and...
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Honda CB450 CB400 valve cover gasket 12328-413-830

1978-86 Honda CB450 / CB400 Valve Cover Gasket ~ Replaces 12328-413-830

$31.95 USD
12-1014
Replace your CB400 or CB450 valve cover gasket with this Athena Brand Valve Cover Gasket, replacing OEM #12328-413-830. Fits the full CB400A/TI/TII/T range plus...
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1980 Honda CB400TA Hawk · Engine Gaskets Buying guide

Choose a cover repair or an overhaul assortment

A local cover repair and a full engine strip-down need different gasket orders. Compare each sealing shape before disassembly so a broad kit name does not conceal a missing service item.

Parts to consider

1978-86 Honda CB450 / CB400 Valve Cover Gasket ~ Replaces 12328-413-830 Athena valve-cover gasketSeparate molded cover gasket, replacing Honda reference 12328-413-830.View part 1978-81 Honda CB400 Athena Overhaul Gasket Set Athena overhaul gasket setEngine gasket assortment for the CB400T twin. Check its individual shapes against the joints your rebuild opens.View part

A focused cover repair

The separate Athena valve-cover gasket replaces reference 12328-413-830. Its molded outline is the important comparison, particularly if an engine or cover has been swapped. A fresh gasket cannot correct a damaged sealing surface; inspect the mating cover as part of the repair.

Plan a larger rebuild before buying

The overhaul set covers a range of engine gasket shapes for this twin. Keep the order tied to the engine work planned. Do not assume that all shaft seals, valve seals or fastening hardware are included merely because the product is described as an overhaul set.

Buying questions

Which gasket should I choose if only the valve cover is removed?

Choose the separate molded cover gasket after comparing its outline and reference with your cover. The wider overhaul assortment is intended for work that opens more engine joints.

Are these genuine Honda gaskets?

The featured products are Athena-brand replacement gaskets. Honda references identify the original application; they do not change the manufacturer of the supplied replacement part.

Will these gaskets fit a replacement engine from another CB400?

Identify the donor engine’s exact model and year, then compare the cover and sealing shapes. These products list the CB400T twin application; the frame’s year or a shared engine capacity does not establish swapped-engine fitment.

Not sure which part you need?

Send your model and year, plus photos of your existing part and any changes to the original setup.

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