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    GS Valves

    Rebuilding my 1100 head , which is the best valves Ferrea or Silver Line?? or any others??

    #2
    I just bought 8 Ferrea intake valves for around 20 bucks each. They looked pretty much like the oem one's.

    Never heard anything about Silverline ? Is there a big cost differance.

    What cracks me up is the price for keepers, over 40 bucks for a completed set of those little suckers :?
    1166cc 1/8 ET 6.09@111.88
    1166cc on NOS, 1/8 ET 5.70@122.85
    1395cc 1/8 ET 6.0051@114.39
    1395cc on NOS, 1/8 ET 5.71@113.98 "With a broken wrist pin too"
    01 Sporty 1/8 ET 7.70@92.28, 1/4 ET 12.03@111.82

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      #3
      found Silverline valves on a place called rpmrons.com.....just wondering if they are any good, priced at $17.95 each...............

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        #4
        I would not recommed the SI ( Silverline) valves . Stick with Ferrea.

        Jay
        Speed Merchant
        http://www.gszone.biz

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          #5
          I went with one piece stainless valves from Orient Express.

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            #6
            I understand Kibblewhite valves are pretty good as well:



            Ted

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              #7
              I went thru Orient Express about 20,000 miles ago.
              No problems at all and reasonable priced
              Keith
              -------------------------------------------
              1980 GS1000S, blue and white
              2015Triumph Trophy SE

              Ever notice you never see a motorcycle parked in front of a psychiatrist office?

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                #8
                We carry the best valves and have the best selection.


                Jay
                Speed Merchant
                http://www.gszone.biz

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                  #9
                  Jay,
                  Any chance you can supply valves in a smaller size? 25mm intakes and 21mm exhaust to be exact. Stem specs are 5.46-5.475 intake and 5.445-5.460 exhaust.

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                    #10
                    We could machine a 26 down to a 25, but taking a 24 down to 21 would make the head a weird shape.

                    What motor is this for?

                    Jay
                    Speed Merchant
                    http://www.gszone.biz

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                      #11
                      GS700E, same as the '83 and up 750. The head on my bike is still fairly fresh with all 16 valves replaced and mid porting. I have an NOS head I'm thinking about assembling for a new topend to go with a set of new Cosworths and V&H cams. I'll be switching to a 750 crank and rods at the same time. I'll be sending the crank out to APE for lightening and balancing.

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