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1971 Honda CB450K Rear Shocks & Mounting Nuts

Identify the shock mounts and measured length on your 1971 CB450K before choosing a shock family. The 321mm and 335mm listings give different dimensions, while 290mm shorty sets require custom checks. Joint rubbers and OEM-type nuts are separate products with different quantity statements to verify.

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Currently viewing Shock Absorbers

Honda motorcycle parts

Choose your model and year to see parts listed for your bike.

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 shock absorber joint rubber set 2 52484-292-000

Honda CB Shock Absorber Joint Rubber Set/2 ~ Replaces 52484-292-000

$6.76 USD
73-0093
Replace your shock joint rubbers with this Shock Absorber Joint Rubber Set of 2, replacing OEM #52484-292-000.Key Features• Shock absorber joint rubbers• Set of...
Universal chrome shrouded 290mm shock absorber set side detail

Universal Motorcycle Shorty Shock Absorber Set ~ Chrome Shrouded 290mm

$119.95 USD
06-3591
Drop the back end with a clean all-chrome look using this Custom Shorty Shock Absorber Set. Chrome body and shroud with chrome progressive-wound springs,...
Honda CB black 335mm shock absorber set side detail

Honda CB Stock Length Shock Absorber Set ~ Black 335mm

$139.95 USD
06-3598
Stick with stock geometry but blacked out with this All-Black Stock-Length Shock Absorber Set. Black body, black progressive-wound heavy-duty springs, and a black end...
Honda CB chrome 335mm shock absorber set side detail

Honda CB Stock Length Shock Absorber Set ~ Chrome 335mm

$139.95 USD
06-3623
Go with a clean all-chrome stock-length setup without the end-cap detail using this Stock-Length Shock Absorber Set. Chrome body with chrome progressive-wound heavy-duty springs,...
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Honda CB chrome 335mm shock absorber set side detail

Honda CB Stock Length Shock Absorber Set ~ Chrome 335mm

$139.95 USD
06-3588
Step up to a clean chromed-out rear end with this All-Chrome Stock-Length Shock Absorber Set. Features a chrome body, chrome progressive-wound heavy-duty springs, and...
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...
Honda CB black and chrome 335mm stock length shock absorber set

Honda CB Stock Length Shock Absorber Set ~ Black / Chrome 335mm

$139.95 USD
06-3603
Mix a blacked-out body with chromed-out springs using this Stock-Length Shock Absorber Set. Black body paired with chrome progressive-wound heavy-duty springs, a sharp two-tone...
Sold out
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...
Honda CB500 CB550 CB450 CB350 stock design shock absorber set 321mm 52400-455-670XW

Honda CB Stock Design Shock Absorber Set ~ Chrome 321mm

$139.95 USD
06-3642
Restore factory-look rear suspension with this Stock-Design Shock Absorber Set, modelled after the original OEM shocks on a range of CB500, CB550, CB450/CL450, and...
Sold out
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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1971 Honda CB450K · Shock Absorbers Buying guide

Check length, mounting form and fastening needs before finish

Chrome stock-design shocks list 321mm and five preload positions. The 335mm sets list four positions and included mounting hardware. The custom shorty family contains eye-to-clevis and eye-to-eye choices. Compare the exact set before selecting separate nuts or rubbers.

Parts to consider

Honda CB Stock Design Shock Absorber Set ~ Chrome 321mm Chrome stock-design set, 321mm321mm center-of-eye-to-clevis measurement, chrome body, cover and springs, and five preload positions. Compare listed references including 52400-292-670XW with the replacement needed.View part Honda CB Stock Length Shock Absorber Set ~ Chrome 335mm Chrome eye-to-clevis set, 335mm335mm set with four preload positions. Includes bushings, inserts, washers and preload wrench; compare required mounts and any additional fastening components separately.View part Universal Motorcycle Shorty Shock Absorber Set ~ Chrome Shrouded 290mm Chrome custom shorty set, 290mmCustom eye-to-clevis shocks with 12mm ID × 21mm upper bushing and five preload positions. Expressly shorter than stock; verify the intended mounts, length and clearance.View part

Related parts: Two shock joint rubbers · OEM-type nut, reference 90309-315-000 · All-black 335mm eye-to-clevis shocks

Match the shock measurements to the intended setup

The stock-design and stock-length families are described at 321mm and 335mm respectively. Compare the installed shocks and candidate’s measurement method, mounts and replacement references. Neither product name establishes the CB450K’s original length, nor does it guarantee preserved clearance or ride height when a different dimension is selected.

Identify fastening contents without transferring them across sets

The 335mm sets explicitly list bushings, inserts, washers and a wrench. The separate OEM-type nut uses reference 90309-315-000 and states two required per motorcycle, without a clear pack count. Check what the mounting needs and confirm each product’s contents before deciding which separate hardware to add.

CB450K buying questions

Does the OEM-type nut’s two-per-bike wording confirm a supplied pair?

It describes the required count on the motorcycle, not a clear package quantity. The nut replaces 90309-315-000. Confirm how many the order supplies and compare the fastening requirement of the shocks fitted before buying for both positions.

Are lower mounting dimensions fully given for the custom clevis shocks?

The eye-to-clevis shorty listings give a 12mm ID × 21mm upper bushing but omit lower clevis opening width and bolt diameter. Compare the actual lower mount and confirm those measurements before selecting a 290mm custom set.

Can a black eye-to-eye shorty set be treated as the same mount as the clevis set?

The eye-to-eye version gives 10mm ID × 21mm bushings at both ends. Eye-to-clevis shorty versions instead state a 12mm ID × 21mm upper bushing and a lower clevis. Check the exact layout; similar finish and length do not establish interchangeability.

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