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1974 Honda CB450K Steering Kit & Hardware Checks

Plan the steering purchase for your 1974 CB450K from the bearing assembly and fasteners fitted. The conversion kit states upper and lower tapered bearing races. Stem nuts, bridge washers and bolt hardware have separate references and contents, which need checking before the order is complete.

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Currently viewing Steering Hardware & Dampers

Honda motorcycle parts

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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 CB650 CB550 CB450 CB400 steering bearing kit (2)

Honda CB Steering Bearing Kit (2)

$69.95 USD
28-2011
Upgrade your steering bearings with this Steering Bearing Kit. Tapered roller steering bearing conversion kit, superior to OEM quality with 10X the contact area...
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...
Honda CB750 CB650 CB550 CB450 CB400 steering bearing kit

Honda CB Steering Bearing Kit

$69.95 USD
28-2011
Upgrade your steering bearings with this Steering Bearing Kit. Tapered roller steering bearing conversion kit, superior to OEM quality with 10X the contact area...
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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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1974 Honda CB450K · Steering Hardware & Dampers Buying guide

Keep bearing-kit contents distinct from the steering fasteners

The Japanese-made conversion lists upper and lower tapered bearing races. Chrome stem nut 90304-415-000 has a 30mm hex and sells each. Bridge washer 53235-300-000 supplies two; stem washer 90503-283-000 is a separate individual purchase.

Parts to consider

Honda CB Steering Bearing Kit Tapered conversion with upper and lower racesMade in Japan, with upper and lower tapered bearing races specified. Check the assembly and missing dimensional details rather than assuming every modified steering head fits.View part Honda CB Chrome Steering Stem Nut ~ Replaces 90304-415-000 Chrome stem nut with 30mm hexReplaces 90304-415-000 and is sold each. The hex statement does not give thread diameter or pitch; the matching washer is separately offered.View part Honda CB Front Fork Top Bridge / Triple Tree Washer Kit ~ Replaces 53235-300-000 Two front fork bridge washersReplaces 53235-300-000. Identify their intended positions independently from the separate stem washer and washers in the bolt set.View part

Related parts: Stem washer 90503-283-000, sold each · Two bolts and two 94102-10000 washers · Black Joker stem nut, same replacement reference

Compare the replacement washer by function and reference

Bridge washers reference 53235-300-000, the individual stem washer references 90503-283-000, and the steering bolt set identifies two 94102-10000 washers. Record the needed positions before ordering. A shared steering application or washer appearance does not establish the same dimensions or make those distinct references interchangeable.

Check the fasteners without assuming a complete steering rebuild kit

The conversion description identifies upper and lower tapered bearing races but does not itemize a complete steering-fastener package. Inspect the nut, washer and bolt requirements separately. The chrome nut’s 30mm hex is not a thread specification, and the bridge washer listing does not replace correct fastening information.

CB450K buying questions

What should I compare if the steering head or stem has been replaced?

Identify the retained assembly and the bearing and race dimensions it requires. The conversion description lists upper and lower tapered bearing races without full dimensional figures. Obtain the missing measurements before relying on the motorcycle application for a changed steering arrangement.

How do I decide which washer purchase belongs on my fastening list?

Match each required position to its own reference: 53235-300-000 bridge washers, 90503-283-000 stem washer, or 94102-10000 washers in the bolt set. Check the fitted hardware and needed quantities. Their separate contents do not describe one universal washer package.

Does the black stem nut’s matching reference establish the same supplied contents as the chrome option?

Both identify 90304-415-000 and a 30mm hex, but the chrome listing explicitly says sold each while the black description leaves purchase quantity unstated. Confirm black-option contents and any separate washer needed; matching references do not enumerate a combined hardware package.

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