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1974 Honda CB350F1 Exhaust Gaskets & Hardware

Build the exhaust hardware order around the joints being opened on your CB350F1. The ten-pack contains port gaskets, the finned clamp belongs at a headpipe flange, and the connecting-tube set supplies its own tube, band and screw for the stock system.

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Honda CB750K CB350F muffler connecting tube set 18472-300-000

1969-76 Honda CB750K / CB350F Muffler Connecting Tube Set ~ Replaces 18472-300-000

$19.95 USD
73-0909
Replace your stock muffler connecting tube hardware with this Muffler Connecting Tube Set for the stock OEM exhaust system. Includes 1 tube, 1 band...
Honda CB550 CB500 CB400 CB350 CB100 chrome exhaust clamp 18231-323-000

Honda CB Chrome Exhaust Clamp ~ Replaces 18231-323-000

$24.95 USD
73-0090
Replace your exhaust clamp with this Chrome Exhaust Clamp, 14-fin type. Center-to-center mounting hole diameter 55mm. Replaces OEM #18231-323-000 / #18231-323-010 / #18231-333-010.Key Features•...
Honda CB400F CB350F exhaust headpipe gaskets (pk 10) 18291-028-000

1972-77 Honda CB400F / CB350F Exhaust Headpipe Gaskets ~ (Pk/10) ~ Replaces 18291-028-000

$34.95 USD
17-3833
Stock up on exhaust port gaskets for your CB350F or CB400F Supersport with this 10-pack, replacing OEM #18291-028-000 / #18291-028-306.Key Features• Exhaust port gaskets,...
Honda CB400F CB350F exhaust gasket (each) 18291-028-000

1972-77 Honda CB400F / CB350F Exhaust Gasket (Each) ~ Replaces 18291-028-000

$4.13 USD
17-2833
Replace one exhaust port gasket on your CB350F or CB400F Supersport with this Exhaust Port Gasket, 1 piece, replacing OEM #18291-028-000 / #18291-028-306.Sold each,...
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1974 Honda CB350F1 · Exhaust Gaskets & Hardware Buying guide

Count the joints before choosing package sizes

The original engine has four exhaust-port gasket positions. A ten-pack provides spares beyond one full renewal, while clamps and connecting-tube packages remain separate items with different quantities and functions.

Parts to consider

1972-77 Honda CB400F / CB350F Exhaust Headpipe Gaskets ~ (Pk/10) ~ Replaces 18291-028-000 Ten exhaust port gasketsPack of ten exhaust port gaskets for CB350F/CB400F applications.View part Honda CB Chrome Exhaust Clamp ~ Replaces 18231-323-000 Chrome finned exhaust clamp14-fin clamp with mounting holes 55 mm center to center.View part 1969-76 Honda CB750K / CB350F Muffler Connecting Tube Set ~ Replaces 18472-300-000 Muffler connecting tube setOne tube, one band clamp and one screw. Two sets are specified for the original exhaust.View part

Choose gasket quantities for your service plan

The gasket pack contains ten pieces. Honda specifies four port gaskets for the original F1 exhaust, so the package covers a full four-port renewal with additional gaskets remaining. Gasket quantity does not establish that flange joints, collars or other mounting hardware are included.

Match the clamp and connecting hardware separately

The chrome clamp is a 14-fin item with 55 mm mounting-hole centers. The stock-system connecting package contains one tube, band clamp and screw, with two sets specified per bike. Compare both locations carefully if the motorcycle carries mixed original and replacement exhaust pieces.

Ordering questions

Is the ten-pack the quantity required for one engine?

No. The original F1 engine uses four port gaskets. Ten is the package quantity, giving spare gaskets after one complete four-port replacement.

Does the gasket pack include clamps and collars?

The named contents are ten exhaust-port gaskets. Check flange clamps, split collars and other existing hardware independently; do not treat the gasket pack as a complete exhaust mounting kit.

How do I identify the featured finned clamp?

It is a chrome 14-fin clamp with mounting holes 55 mm center to center. Compare the fitted headpipe flange and hardware before ordering, especially with a modified exhaust.

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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