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All Categories > Motorcycle Valvetrain Components > Honda® Motorcycle Valvetrain Components > Honda® CB™ 450
1965 to 1972
5.00mm Conversion System
 
 

Honda® CB™ 450
1965 to 1972
5.00mm Conversion System

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3030300_HONCB450__SprConKit_LRB.jpg

Lightweight Racing Valve Spring Kits for Honda® CB™ 450 5.00mm Conversion System 1965-1972

5.00mm Conversion System KPMI takes a scientific “System” approach when designing our Valve spring kits. Each component is designed to work with the others as part of the complete system. KPMI’s engineers use our proprietary design and simulation softwares, and draw on our 70+ years of design experience to create these systems. Our design, simulation, and manufacturing processes insure compatibility of the valve spring’s force and natural frequency with the cam profile, valvetrain mass, system harmonics, and the engine RPM. Our spring manufacturing partners are U.S based companies that are ISO certified. The Super-Clean Chrome Silicon valve spring wire we use is traceable back to Kobe Japan where some of ...

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Black Diamond™ Valves for Honda® CB™ 450 5.00mm Conversion System 1965-1972

 (4)
5.00mm Conversion System
All KPMI Black Diamond™ stainless steel valves are impregnated by a special German process to a depth of .002”, with a surface build up of .0002”. This “Black Diamond™” process improves wear properties, reduces friction, and provides resistance to corrosion and wear that is superior to chrome and nickel electrolysis plating. Each valve is designed using Finite Element Analysis software, and profiles are tested on our computerized flow bench. Black Diamond™ Valves are light, strong, one piece forgings with profiles that provide excellent flow characteristics.


3030690_3030700_HON_CB450_500_Guide_76_LRB

Valve Guides for Honda® CB™ 450 5.00mm Conversion System 1965-1972

 (8)
5.00mm Conversion System
We choose to use C63000 nickel bronze as a material to make valve guides because of its ideal characteristics for the application. The 4-5 percent nickel content produces superior resistance to wear, and the approximately 80 percent copper content delivers outstanding heat conductivity.


700100018_Seals style4_LRB

Valve Guide Seals for Honda® CB™ 450 5.00mm Conversion System 1965-1972

5.00mm Conversion System KPMI Red 100% Viton® valve stem seals are designed to have optimum fitment, allow for maximum lift, and to give maximum life. KPMI Red valve stem seals are resistant to high temperatures, petroleum products and the corrosive gasses that are the by-products of combustion. These seals retain their ability to seal in situations where other materials could harden and allow oil to enter the combustion chamber causing detonation, carbon build up and a loss of power. The Red Ones are truly the racer’s choice.

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5.00mm Conversion Keepers for Honda® CB™ 450 5.00mm Conversion System 1965-1972

5.00mm Conversion System


 Honda® CB™ 450 1965-1972 


3030710_HON_CB450_500_Keep02_76_LRB

30-30710
5.00mm Conversion Keepers for Honda® CB™ 450 5.00mm Conversion System 1965-1972
$35.60


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30-30306
Black Diamond™ Valves for Honda® CB™ 450 5.00mm Conversion System 1965-1972
$57.82

more available ..


 Honda® CB™ 450 1965-1972 (5.00mm Conversion System) 


3030301_HON_CB450_5mmSprCon_Ret_LRB

30-30301
Titanium Retainers for Honda® CB™ 450 1965-1972
$184.93


3030302_HONCB450_Keep_LRB

30-30302
Heat Treated Steel Keepers for Honda® CB™ 450 1965-1972
$35.60

more available ..

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