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1972 Honda CB450K Steering Fasteners & Washers

Identify the fastening components on your 1972 CB450K steering assembly before selecting a nut or washer set. Chrome and black nuts list a 30mm hex, while bridge washers and stem washers have different references. Compare the removed hardware and check the bolt set’s contents separately.

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Honda CB1000 CB900 CB750 CB550 chrome steering stem nut 90304-415-000

Honda CB Chrome Steering Stem Nut ~ Replaces 90304-415-000

$9.95 USD
49-0786
Replace your steering stem nut with this Chrome Steering Stem Nut, hex nut size 30mm, replacing OEM #90304-415-000.Sold each. We also offer the matching...
Honda CB750 CB550 CB500 CB450 CB400 fork cap o-ring (set 2) 94608-50000

Honda CB Fork Cap O-Ring (Set/2)

$2.95 USD
49-0790
Replace your fork cap O-rings with this Fork Cap O-Ring Set of 2, replacing OEM #94608-50000 (qty 2).Key Features• Fork cap O-rings• Set of...
Honda CB750 CB550 front fork top bridge triple tree washer kit 53235-300-000

Honda CB Front Fork Top Bridge / Triple Tree Washer Kit ~ Replaces 53235-300-000

$12.50 USD
73-0833
Avoid broken triple trees with this Front Fork Top Bridge / Triple Tree Washer Kit of 2 washers. These washers are needed in order...
Honda CB1000 CB900 CB750 CB550 steering stem washer 90503-283-000

Honda CB Steering Stem Washer ~ Replaces 90503-283-000

$3.50 USD
49-0787
Replace your steering stem washer with this Chrome Steering Stem Washer, replacing OEM #90503-283-000.Sold each, order the quantity you require.Key Features• Chrome steering stem...
Honda CB750 CB500 CB450 CL450K5 steering stem bolt and washer set 92101-10040-0A

Honda CB750 / CB500 / CB450 / CL450K5 Steering Stem Bolt and Washer Set ~ Replaces 92101-10040-0A

$7.00 USD
73-1134
Restore front-end stability and ride confidence with this Steering Stem Bolt and Washer Set for classic Honda models. This precision-fit set includes 2 OEM-style...
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Honda CB750 CB550 black steering stem nut joker machine 90304-415-000

Honda CB Black Steering Stem Nut ~ Joker Machine ~ Replaces 90304-415-000

$47.95 USD
12-0073
Dress up your steering stem with this Joker Machine Black Steering Stem Nut, 30mm hex, replacing OEM #90304-415-000. High-quality CNC-machined and made in the...
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1972 Honda CB450K · Steering Hardware & Dampers Buying guide

Keep the nut’s hex measurement separate from mounting threads

Chrome nut 90304-415-000 is sold each. Bridge washers 53235-300-000 supply two, while stem washer 90503-283-000 is individual. The bolt set supplies two 92101-10040-0A bolts and two 94102-10000 washers, without establishing interchangeability among washer references.

Parts to consider

Honda CB Chrome Steering Stem Nut ~ Replaces 90304-415-000 Chrome 30mm-hex stem nut, sold each90304-415-000 replacement with individual supply. Compare the fitted stem; thread dimensions and an included washer are not stated.View part Honda CB Front Fork Top Bridge / Triple Tree Washer Kit ~ Replaces 53235-300-000 Two top bridge washers53235-300-000 replacement kit. Check the actual bridge component; its reference differs from the individual stem washer and the bolt set’s washers.View part Honda CB750 / CB500 / CB450 / CL450K5 Steering Stem Bolt and Washer Set ~ Replaces 92101-10040-0A Two stem bolts and two washersExplicitly includes two bolts 92101-10040-0A and two washers 94102-10000. Match the removed hardware and fitted arrangement before ordering.View part

Related parts: Individual stem washer, reference 90503-283-000 · Black Joker Machine 30mm-hex stem nut

Confirm the nut connection after steering changes

The chrome and black nut descriptions state reference 90304-415-000 and a 30mm hex without thread diameter or pitch. Compare the fitted stem and original nut where possible. A different finish or matching tool size cannot confirm connection to an altered stem whose thread specification is unknown.

Choose washers from their mounting location and reference

Bridge washers, the individual stem washer and washers supplied with the bolt set carry three different references. Identify the component removed and the location it serves before ordering. The two-bolt/two-washer set’s contents do not document substitutes for every washer used elsewhere in the steering assembly.

CB450K buying questions

Is the separate stem washer confirmed as included with the chrome nut?

The chrome nut is sold each and the description offers the matching washer separately. That washer uses 90503-283-000. Inspect the retained parts and add a washer only as needed, confirming each purchase’s contents rather than assuming a combined package.

Can the black nut’s 30mm hex verify a changed stem thread?

It describes the external hex, while mounting thread dimensions are unstated. Compare the installed stem and confirm its required diameter and pitch before selecting the nut for altered parts. The shared replacement reference does not document every custom connection.

Does the bolt-and-washer set provide the top bridge washer reference?

Its washers use 94102-10000; the separate bridge kit uses 53235-300-000. Match the actual washer needed and its location. Two washers in each package do not establish that the products replace the same component or can be substituted.

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