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1984 Honda CB450SC Nighthawk Steering Conversion Package and Stem Application

A steering-bearing order for the 1984 Honda CB450SC Nighthawk can use one matched conversion package for the original application. The kit supplies upper and lower tapered-roller bearings with their races. Determine whether the retained steering head and stem still match that application before planning a partial replacement or donor-front-end build.

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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 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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1984 Honda CB450SC Nighthawk · Matched Steering Conversion Buying guide

Keep bearings and races together in the conversion plan

The current kit is made in Japan and lists the CB450SC for 1982–84. Its contents cover one steering head, with both bearing positions and matching races. The listing gives no bearing dimensions or assurance that unidentified retained races or a substituted stem match the supplied components.

Parts to consider

Honda CB Steering Bearing Kit One matched tapered-roller steering packageUpper and lower bearings plus their matching races for one compatible steering head; made in Japan.View part

Budget by steering head, not by separate bearing position

The kit already includes both bearing positions and the corresponding races. A second kit is not established as necessary for the lower bearing. Keep the package contents attached to the one-head application when preparing the parts list, rather than adding a duplicate complete conversion.

Check retained or donor parts before mixing applications

The original-bearing replacement description supports the listed steering-head application. It does not identify the measurements of a donor stem or approve mixed old and new races. Confirm those retained-part requirements before choosing a partial-use plan or assuming the conversion follows a changed front end.

Common questions

Should I budget separate complete kits for the upper and lower steering bearings?

One kit contains the upper and lower tapered-roller bearings and matching races for one steering head. Both positions are already part of that package. Confirm the original application, then budget by the complete steering head rather than buying a kit for each position.

Can the supplied bearings be combined with races already retained in the frame?

The stated package supplies matching races with its upper and lower bearings. No compatibility is published for unidentified retained races. Resolve their compatibility before planning partial reuse, instead of assuming a previously fitted race belongs with the new tapered-roller bearing.

How should I choose the kit when a donor steering stem has been fitted?

Identify the donor stem and its bearing requirements independently. The listing covers the original CB450SC application for 1982–84 but publishes no stem or bearing dimensions. That coverage cannot establish compatibility with a substituted stem merely because the frame remains a CB450SC.

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