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Honda CB750
"Bee Hive" 5mm This is the same 5mm conversion kit that has been used by top race teams but has been upgraded with "bee hive" valve springs for even more valve train weight reduction.
Kit includes: $949.95 ENV-BEEHIVE Call for ordering/availability.
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Honda CB750 5mm Conversion Kit This complete 5mm racing conversion kit has been used by many of the top race teams for years.
Kit includes: ENV-018
Your Cycle X Price:
$949.95
Call for ordering/availability.
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High Lift Valve Guides These
valve guides are .100 shorter (top side) to accommodate big boy
camshafts. ENV-OHL $129.00 Per Set
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Cryo Treated High Lift Cast Iron Valve GuidesThe testing is done and our test bike showed zero wear in 37,000 miles. We don't have time to see how long these cryo valve guides could actually last. Maybe forever! ENV-034 $168.00
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Solid One Piece Stainless Steel Hard Chrome Stem Valves
Check out the high performance solid, one
piece, stainless steel hard chrome valves.
Stellite
tipped and added machine swirl.
These valves are world
class quality and comes at a sale price that cannot be
beat.
34mm intake.
33.5mm intake.
32mm intake. (stock "K" model size)
28mm exhaust.
Sold as a set or individually.
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32mm STD Size Stainless Steel This selection of "hard chrome" valves are endorsed and used by top engine builders for decades. One (1) valve per quantity. These valves are designed and manufactured with the "preferred" 69-76 valve keeper groove. These valves will work in 77-78 K model heads by changing the keepers and top spring retainers from earlier 69-76 models.
ENV-32MM $24.99 per valve |
33.5mm 1.5 Oversize Stainless Steel Hard Chrome Intake Valves Check out the quantity discounts for sets of 8 valves. One (1) valve per quantity. These valves are designed and manufactured with the "preferred" 69-76 valve keeper groove. These valves will work in 77-78 K model heads by changing the keepers and top spring retainers from earlier 69-76 models.
ENV-335MM $24.99 per valve
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34mm 2mm Oversize Stainless Steel Hard Chrome Intake Valves One (1) valve per quantity. These valves are designed and manufactured with the "preferred" 69-76 valve keeper groove. These valves will work in 77-78 K model heads by changing the keepers and top spring retainers from earlier 69-76 models.
ENV-34MM $24.99 per valve
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28mm
Stainless Steel One (1) valve per quantity. These valves are designed and manufactured with the "preferred" 69-76 valve keeper groove. These valves will work in 77-78 K model heads by changing the keepers and top spring retainers from earlier 69-76 models.
OUT OF STOCK
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Hard Chrome Plating vs KPMI® Black Diamond® Coating
"First and foremost I must point out that not everyone is qualified to make this comparison, unless they have access to and know how to use Vickers hardness testing equipment, and can take a specimen and view it with a high power microscope and then understand the matrix present. Further they must now how these two process are applied and react to the substrate material they are being used on."
"Hard chrome plating is an adhesive process which means the chrome is “laying on and sticking to” the surface of the substrate material. Hard chrome can trap foreign material within the chrome layer and virtually turn that surface into sandpaper, which also allows the surface to become larger than intended. There is such a thing as nearly perfect chrome, which requires a double cleaning process and the diode to be a tube, which helps to create a clean even-layer of chrome. None the less, chrome can come off and is known to gall and lacks lubricity."
"The KPMI® Black Diamond® coating is a process which impregnates the substrate and develops a 2-tenth layer below and above the surface that is 55-65Rc. What this means is a shell develops underneath and above the surface that is very hard and cannot come off under even the most extreme conditions. Further, there is a second process applied on top of this hard shell that produces a very low coefficient of friction, some very slippery stuff."
"In the world of application, you would be foolish to consider chrome as a superior valve stem coating when compared to the KPMI® Black Diamond® Coating."
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Cycle X Super Flow Valves
Cycle X super flow valves outperform any valve on the market
today. The Nitrite coating is perfect for high temperature, high RPM and run
cooler.
Single Intake Valve 69-76
Single Exhaust Valve 69-76 |
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Black Diamond Intake Valve (STD.) 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 lightweight, strong, one piece forgings with profiles that provide excellent flow characteristics.
Valve, Black Diamond™ Stainless, Std. IN, Honda®, CB™ 750 SOHC (Excluding F2™), 1969-1977 1 valve per quantity. 30-4186 $34.95 |
Black Diamond Intake Valve (+1.5mm) Oversize 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 lightweight, strong, one piece forgings with profiles that provide excellent flow characteristics.
Valve, Black Diamond™ Stainless, +1.5mm O/S IN, Honda®, CB™ 750 SOHC (Excluding F2™), 1969-1977 1 valve per quantity. 30-4187 $49.95 |
Black Diamond Exhaust Valve (STD.) 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 lightweight, strong, one piece forgings with profiles that provide excellent flow characteristics.
Valve, Black Diamond™ Stainless, Std. EX, Honda®, CB™ 750 SOHC (Excluding F2™), 1969-1977 1 valve per quantity. 30-4188 $34.95 |
Black Diamond Exhaust Valve (+0.5mm) Oversize 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 lightweight, strong, one piece forgings with profiles that provide excellent flow characteristics.
Valve, Black Diamond™ Stainless, +0.5mm O/S EX, Honda®, CB™ 750 SOHC (Excluding F2™), 1969-1977 1 valve per quantity. 30-4189 $49.95 |
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High
Performance Precision 69-76' As you may or may not early style valve keepers are unavailable through Honda anymore which creates a problem if you ever lose one of these tiny things. Cycle X teamed up with Kibblewhite to reproduce these early keepers with more precision. ENV-VK1 $79.00
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Red
Viton Kibblewhite Valve KPMI® Red 100% Viton valve stem seals are designed to have optimum fitment, allow , 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 racers choice. ENV-VSS $19. 99 |
High
Temperature Viton Valve These seals were made for us and feature extreme temperature viton
materials. Note: These are not the blue seals found on eBay, these are exclusively ours. ENV-BVGS $18.99
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A 3.99% customer service charge is applied to all phone orders.
If ordering via phone, please also provide the part # of any products you are interested in for faster and more accurate service.
If you encounter a (rare) broken button as you're trying to add parts to your cart (going to PayPal summary instead of your cart or not opening PayPal at all) or anything else of concern, please call us to report it. We'll try to have it fixed for your convenience within the next 5-10 minutes. Afterwards, refresh the page and try again.
NOTE: As of July 1st, 2018, an extended goods and services tax (GST) has been applied to all Australian consumers buying overseas, charging an extra 10% in taxes to us with each purchase. To ensure that you can continue to purchase from us in Australia and we can provide our parts at our usual lower cost, please contact us at the email below if interested in any particular parts so that we can make a special shipping arrangement for you.
It is the sole and
exclusive responsibility of the purchaser to determine the suitability of any
part, product or work for his or her use.
The purchaser shall assume all legal, personal injury risk and liability and all
other obligations, duties and risks therewith.
There is no warranty on High Performance products.
Click to go back to Engine Parts page
Cycle X Global Headquarters
6246 US Hwy 51 South
Hazelhurst, WI 54531
Phone: 715-356-7346
Email: hotrodcyclex@gmail.com
Cycle X Race Team Approved
