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1972 Honda CB450K Individual Intake & Exhaust Valves

Identify the valve position needing work on your 1972 CB450K before ordering a replacement. The intake and exhaust products give different Honda references and individual supply. Establish the required parts and quantities from the engine assessment, then compare each position with its listing.

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Honda CB500 CB450 CL450K0 CL450K2 CL450K3 intake valve 14711-292-000

Honda CB Intake Valve ~ Replaces 14711-292-000

$26.95 USD
28-6920
Restore proper engine performance with this Intake Valve, designed as a direct replacement for the original Honda component. This valve replaces OEM part number...
New
Honda CB500 CB450 CL450K0 CL450K2 CL450K3 exhaust valve 14721-292-010

Honda CB Exhaust Valve ~ Replaces 14721-292-010

$26.95 USD
28-6919
Restore proper engine performance with this Exhaust Valve, designed as a direct replacement for the original Honda component. This valve replaces OEM part numbers...
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1972 Honda CB450K · Valvetrain Parts Buying guide

Order the valve for the identified position

The intake valve lists 14711-292-000. The exhaust valve instead lists 14721-292-010 and 14721-292-000. Both are sold individually, with no complete valve-set count or additional head-service hardware stated as included.

Parts to consider

Honda CB Intake Valve ~ Replaces 14711-292-000 Intake valve, sold individuallyReplacement referencing Honda 14711-292-000. Identify the intake component and order the assessed quantity; this purchase is not a complete valve set.View part Honda CB Exhaust Valve ~ Replaces 14721-292-010 Exhaust valve, sold individuallyReplacement referencing Honda 14721-292-010 / 14721-292-000. Check the exhaust position and required quantity separately from intake valves.View part

Use the references to prevent a mixed valve order

Record whether each replacement requirement is intake or exhaust and retain its Honda reference with the quantity. These products describe individual valves for different positions. Similar appearance or a shared motorcycle application does not establish interchangeability, and buying one of each does not define the complete head requirement.

Keep valve selection separate from service measurements

The descriptions identify replacement valves but do not supply service clearances, fitting limits or an installation procedure. Use the appropriate engine information and assessment to establish that work. Check any associated parts separately rather than treating an individual valve purchase as a complete package for cylinder-head service.

Buying questions

Which Honda references identify the intake and exhaust valves?

The intake valve lists Honda 14711-292-000. The exhaust valve lists 14721-292-010 / 14721-292-000. Both are sold individually. Match the inspected position and removed part, then choose the quantity required for the cylinder head being serviced.

Can the individual supply statement determine the head’s total valve requirement?

It describes one valve supplied per purchase rather than the engine’s required replacement count. Establish which valves the assessed work needs, then order those individual quantities. Neither listing specifies a complete head kit or additional service components included.

Where should I obtain dimensions or clearance limits for the valve work?

Use the appropriate service information for the engine fitted and the assessment of its components. These listings provide replacement references and individual supply, without the full fitting dimensions or clearance limits needed to plan the mechanical work.

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