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1983 Honda CB550SC Shock Nuts, Washers & Custom Choices

Start a shock-related order for the 1983 Honda CB550SC with the fitted hardware and mount arrangement. The nut and washer descriptions explicitly include this model. Universal shorty sets are also offered, but their custom dimensions do not establish an original-length CB550SC replacement.

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Currently viewing Shock Absorbers

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Honda CB1100 CB900 CB750 type shock absorber nut 90309-315-000

Honda CB OEM Type Shock Absorber Nut ~ Replaces 90309-315-000

$3.95 USD
49-0779
Replace your shock absorber nuts with this Shock Absorber Nut, a replica of the OEM type used when installing shocks. Replaces OEM #90309-315-000.Note: 2...
Honda CB1100 CB1000 CB900 type shock absorber washer 90521-292-000

Honda CB OEM Type Shock Absorber Washer ~ Replaces 90521-292-000

$2.95 USD
49-0778
Replace your shock absorber washers with this Shock Absorber Washer, a replica of the OEM type used when installing shocks. Replaces OEM #90521-292-000.Note: 2...
Universal black shrouded 290mm shorty motorcycle shock absorber set

Universal Motorcycle Shorty Shock Absorber Set ~ Black Shrouded 290mm

$129.95 USD
06-3590
Get the shortened look with a bit more coverage using this Custom Shorty Shock Absorber Set featuring a black body and shroud with black...
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Universal black 290mm eye-to-eye shorty motorcycle shock absorber set

Universal Motorcycle Shorty Shock Absorber Set ~ Black Eye-to-Eye 290mm

$139.95 USD
06-3592
Go shorter with a different mounting configuration using this Custom Shorty Shock Absorber Set. Black body and shroud with black progressive-wound springs, 290mm (11...
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Universal black 290mm shorty motorcycle shock absorber set

Universal Motorcycle Shorty Shock Absorber Set ~ Black 290mm

$139.95 USD
06-3589
Slam the back end with this Custom Shorty Shock Absorber Set, measuring 290mm (11 3/8") eye-to-clevis, noticeably shorter than stock for custom café, bobber,...
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1983 Honda CB550SC · Shock Mounting Parts Buying guide

Check mounting hardware before comparing custom shock dimensions

The nut and washer use separate references and each states two used per motorcycle. That usage count is not an explicit pair package. Universal shorties additionally require comparison of eye-to-clevis or eye-to-eye mounts.

Parts to consider

Honda CB OEM Type Shock Absorber Nut ~ Replaces 90309-315-000 OEM-type shock nutReplica nut referencing 90309-315-000, with the 1983 CB550SC listed. Its two-per-bike note describes usage.View part Honda CB OEM Type Shock Absorber Washer ~ Replaces 90521-292-000 OEM-type shock washerReplica washer referencing 90521-292-000 and listing this CB550SC. It is separate from the nut product.View part

Keep usage counts separate from supplied quantities

The nut and washer descriptions each say two used per motorcycle and ask for the required order quantity. They do not explicitly describe a two-piece package. Inspect the existing hardware and count the pieces needing replacement before combining these separate reference numbers in the order.

Compare custom shock mounts before length

The universal shorty descriptions give 290 mm lengths, but two are eye-to-clevis and another is eye-to-eye. Their bushing measurements also differ. Those custom measurements do not establish the CB550SC’s original mount arrangement or stock length, so compare the installed components before considering a change.

Choosing parts for your CB550SC

Are the shock nut and washer sold as one combined set?

They are separate product listings with references 90309-315-000 and 90521-292-000. Each gives a two-per-bike usage note, but neither describes a combined nut-and-washer package. Check the required purchase quantities independently.

Are all the 290 mm shorty sets measured the same way?

Two descriptions measure eye-to-clevis, while the other measures eye-to-eye and states different top and bottom bushings. The shared 290 mm figure does not erase those mounting differences or establish a CB550SC-specific fit.

Can the shorty description verify this bike’s stock shock length?

It identifies a universal custom product and its own measurements. The general shorter-than-stock wording is not accompanied by a CB550SC original-length specification, so establish the fitted dimensions before choosing a replacement or custom assembly.

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