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JUN Type 3 Camshaft EX 76(304)-11.5 Acura Integra B16A/B/B18C

  • JUN Type 3 Camshaft EX 76(304)-11.5 Acura Integra B16A/B/B18C
  Product Information
  Model: 1004M-H103
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1.480.966.3040    Click for Live Support
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Product Information
JUN Type 3 Camshaft EX 76(304)-11.5 Acura Integra B16A/B/B18C

The cam profile which influences the performance of a camshaft is the most important element in a camshaft design. At JUN, the software only for cam profile designs is used, and the automatic design by the computer is performed. In order to test the cam shaft designed on the desk, the engine bench system of JUN which has combustion pressure measurement equipment is used. This system can analyze the state in a combustion room for every crankshaft angles. Various profiles can be tested.

Even if it says a camshaft in a word, the profile form is various by the type of a car. Profile form is decided in consideration of the difference of valve motion method etc. (direct type, a locker arm type, strength of moving part, valve size, port and combustion room form). If depending on types of a car, a profile may be restricted by the wall in a head, lifter hole size, locker arm form, etc. At JUN, when developing a high camshaft, the detailed data for each type of a car is taken, development is furthered simultaneously with a valve spring and retainer, and the optimal profile is determined.

In order to manufacture a highly precise camshaft, it can be said that the cam grinder with a high performance is indispensable. In our company, the CNC master less grinder with high processing accuracy was introduced from the early stage, and the camshaft has been manufactured. Since the camshaft grinder of our company can input the program data of a cam profile very finely, it can grind in the cam profile based on a design. The quality control is performed on the high standard like other products. The user is provided with the high product of quality.

You have to raise filling efficiency, in order to obtain a high output. Being required of a cam is lengthening time which the valves is opening. It is necessary to increase the amount of cam lifts in order to lengthen time which the valve is opening. The negative acceleration will become large if the amount of lifts is increased simply. The jumping phenomenon in which a valve separates from a cam, and the bounce phenomenon which is bounded when a valve contacts a valve sheet ring occur because when negative acceleration becomes large, the acceleration of a valve will exceed the acceleration of a cam. These phenomena not only spoil the performance of engine original but cause breakage of engine. The high camshaft must realize the conflicting element with which extension of time which is opening the valve, and reduction of negative acceleration. JUN high camshaft took positive acceleration large , and the action time of negative acceleration is keep a long time by shortening positive action time. By doing so, when a valve moves from opening operation to closing operation, a valve can move as smooth operation and can prevent jumping. Since positive acceleration becomes large at the side of close, the valve just before closing is added the strong brakes by the cam. The bounce phenomenon is prevented. The time near the maximum lift can be kept for a long time by opening a valve in a short time. Therefore, the good valve motion of efficiency is possible. The simulation and an experiment of the valve motion system are conducted based on such design theories, and a profile is determined. Here is the true performance for which a high lift camshaft is asked.

Camshaft Specs:
Duration: 76(304)
Valve Lift: 11.5mm
Direction: Exhaust
V/C: 0.19mm

This product ships EMS directly from JUN Machine Shop in Japan. Minimum shipping cost is $40. Upon ordering you will be contacted with a shipping quote before your order is finalized. Please allow 4-8 weeks for delivery.
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Vivid Racing Reviews:
"Ordered a hard to find piece for my 964 from vividracing and was not disappointed. Dado was very helpful and expedited my order efficiently without a hitch. Price and quality were as advertised and shipping was reasonable and quick. Will shop vividracing again."
"Very helpful on tire choices for my car. Great tire for people who are running flush fitment, and still keep traction."
TEXT_OF_5_STARS by Edgar rojas
"I ordered some parts for my BMW m3. The service was excelent"
TEXT_OF_5_STARS by Michael Mcfarlane
"I was very amazed and exceptionally pleased with the service I got from Ahmed. He took the time to explain in details my options with wheels for my eg civic. My wife was shocked that this purchased took so long, but wives never understand guys and their toys. I believe she was more shocked that Ahmed was so patient and was putting up with my indecisiveness in the beginning. I must say, at one point I thought I wasn't going to hear from the guy again, being that I was so all over the place with wheel brands, size, and color. He always returned my calls, and was very knowledgeable about the products and knew right away of the look I was trying to achieve. Eventually, after a few days of looking on some brands and size he had recommended, I was finally able to make up my mind and seal the deal. Thank you Ahmed for being so patient and for your exceptional service. Stay tuned for pics."
TEXT_OF_5_STARS by Juan vite
"My address is 3127 ronald ct sprint valley ca 91977"

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About Manufacturer: JUN
JUN Machine Shop of Japan is world renown for producing some of the fastest vehicles with their highly engineered tuning parts. Having proven themselves with such JDM supercars as the Nissan Skyline, JUN also has won many records drag racing the Honda Civic, time attack events with Subaru, and more. Vivid Racing is a direct dealer of JUN Auto Parts and ships direct from JUN to you the customer.

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