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1973 Honda CB500K Replacement Valves, Guides and Stem Seals

For a 1973 Honda CB500K cylinder head, separate valve replacement from guide work and stem-seal renewal. The intake and exhaust valves are different products. Check their references, the guide design and the number of individually sold parts before choosing the head-service order.

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Honda CB550 CB500 CB400 CB350 engine primary drive rubber set 8 23114-323-000

Honda CB550 / CB500 / CB400 / CB350 Engine Primary Drive Rubber Set/8 ~ Replaces 23114-323-000

$32.95 USD
28-6922
Restore smooth power transfer inside the engine with this Engine Primary Drive Rubber Set (Set of 8), designed to replace worn or deteriorated original...
Honda CB550 CB500 CB125 CB100 intake valve 14711-107-020

Honda CB550 / CB500 / CB125 / CB100 Intake Valve ~ Replaces 14711-107-020

$17.95 USD
73-0981
Replace your intake valve with this Intake Valve, replacing OEM #14711-107-020. Made in Japan.Key Features• Intake valve• Replaces OEM #14711-107-020• Made in Japan• Honda...
Honda CB550F CB550K CB500K exhaust valve 14721-323-005

1971-78 Honda CB550F / CB550K / CB500K Exhaust Valve ~ Replaces 14721-323-005

$23.95 USD
73-0982
Replace your exhaust valve with this Exhaust Valve, replacing OEM #14721-323-005 / #14721-324-010 / #14721-324-000 / #14721-107-020. Made in Japan.Key Features• Exhaust valve• Replaces...
Honda CB650 CB550 CB500 CB400 CB350 valve stem seals 12209-333-005

Honda CB Valve Stem Seals ~ Replaces 12209-333-005

$2.95 USD
73-0871
Replace your valve stem seals with this Valve Stem Seal, replacing OEM #12209-333-005.Sold each, order the quantity you require.Key Features• Valve stem seal• Replaces...
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Honda CB650 CB550 performance kibblewhite valve stem seal set 12209-333-005

Honda CB High Performance Kibblewhite Valve Stem Seal Set ~ Replaces 12209-333-005

$49.95 USD
12-0083
Fit premium Viton valve stem seals with this Kibblewhite 100% Viton Valve Stem Seal Set of 8, replacing OEM #12209-333-005. Made in the USA....
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Honda CB550F CB550K CB500K high performance kibblewhite valve spring set

1971-76 Honda CB550F / CB550K / CB500K High Performance Kibblewhite Valve Spring Set

$109.95 USD
12-0079
Rebuild your CB500 or CB550 top-end with this Kibblewhite High-Performance Valve Spring Set of 8. Made in the USA by Kibblewhite with 75+ years...
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Honda CB550F CB550K CB500K high performance kibblewhite intake exhaust valve guide

1971-77 Honda CB550F / CB550K / CB500K High Performance Kibblewhite Intake/Exhaust Valve Guide

$64.95 USD
12-0082
Fit a premium valve guide to your CB500 or CB550 with this Kibblewhite Intake or Exhaust Valve Guide (standard size). Same C63000 nickel-aluminum bronze...
Honda CB550F CB550K CB500K high performance kibblewhite black diamond intake valve 14711-107-020

1971-78 Honda CB550F / CB550K / CB500K High Performance Kibblewhite Black Diamond Intake Valve

$79.95 USD
12-0080
Upgrade your CB500/CB550 intake with this Kibblewhite Black Diamond Intake Valve, replacing OEM #14711-107-020. Stainless steel valves impregnated by a special German process to...
Honda CB550F CB550K CB500K high performance kibblewhite black diamond exhaust valve 14721-323-005

1971-78 Honda CB550F / CB550K / CB500K High Performance Kibblewhite Black Diamond Exhaust Valve

$79.95 USD
12-0081
Match your CB500/CB550 intake with this Kibblewhite Black Diamond Exhaust Valve, replacing OEM #14721-323-005. Same Black Diamond process as our intake valves: stainless steel...
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1973 Honda CB500K · Valve Service Buying guide

Plan valves, guides and seals as separate decisions

Japanese-made replacement valves are offered for intake and exhaust duties. The Kibblewhite guide has a machined shoulder, while seal choices include individual replacements and an eight-piece Viton set. These descriptions establish different functions and purchase quantities.

Parts to consider

Honda CB550 / CB500 / CB125 / CB100 Intake Valve ~ Replaces 14711-107-020 Individual intake replacement valveOne Japanese-made intake valve is supplied against 14711-107-020. The source states four intake valves for the CB500K four-cylinder engine; order the number the assessed repair needs.View part 1971-78 Honda CB550F / CB550K / CB500K Exhaust Valve ~ Replaces 14721-323-005 Individual exhaust replacement valveOne Japanese-made exhaust valve is supplied, with references including 14721-323-005. The listed CB500K engine uses four exhaust valves; intake and exhaust duties must remain distinct.View part 1971-77 Honda CB550F / CB550K / CB500K High Performance Kibblewhite Intake/Exhaust Valve Guide Each-sale Kibblewhite shoulder-style guideThe standard-size C63000 nickel-aluminum bronze guide is sold each. Its machined shoulder does not use separate OEM-style guide clips; the current source calls for precision cylinder-head fitting work.View part

Related parts: Single replacement valve-stem seal · Eight Kibblewhite Viton stem seals

Work out the seal order from its sale statement

The replacement seal against 12209-333-005 is sold each, and the current quantity information states eight for a complete CB500K head. Its historical URL does not make it a ten-pack. The Kibblewhite alternative expressly contains eight red Viton seals in one set; compare those two purchase formats.

Match the guide design to the head work

The Kibblewhite guide is shoulder style and expressly does not take separate OEM-style guide clips. Its current information requires precise sizing and valve-seat alignment checks by an experienced machine shop. Use that assessment to establish the order; no fitting clearance or machining dimension is supplied by this guide.

Buying questions answered

How do I count stem seals when choosing individual pieces or the Kibblewhite set?

The individual seal replaces 12209-333-005 and supplies one piece, with eight required for the CB500K head. The Kibblewhite product supplies eight Viton seals in one set. Compare the material and supplied quantity when choosing the order.

Should I add stock-style guide clips to the Kibblewhite guide?

Its current description and quantity guidance identify a machined shoulder and say not to use separate OEM-style guide clips with this design. Confirm the guide required for the head work instead of treating all guide designs alike.

What head work should be confirmed before ordering standard-size Kibblewhite guides?

The guide information calls for precision bore sizing, correct valve-stem clearance and a valve-seat alignment check by an experienced machine shop. Confirm the required guide size and number of intake or exhaust positions with that shop before ordering individual guides.

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