Improved Zipper’s Muscle 107” Engine Kit

107Although this 107” engine kit from Zipper’s Performance has the same configuration as the one I have previously published, this one however uses the full length D&D Fat Cat pipes, where the previous graph used the D&D Stubby pipes (The Stubby is still required when custom bags do not allow the use of full length pipes). With the full length D&D Fat Cat, the engine and graph demonstrate a substantial torque gain over the original published graph (with the Stubby pipes). See Dyno below. At Zipper’s Performance Products. 410-579-2828
107ter107-bis

5 Responses to “Improved Zipper’s Muscle 107” Engine Kit”


  1. 1 P. Hamilton Jan 1st, 2015 at 9:27 am

    Like Zipper’s and S&S. Both are the best in their category.

  2. 2 BobS Jan 1st, 2015 at 9:32 am

    Pure dyno porn 🙂

  3. 3 Zenaldo Jan 1st, 2015 at 7:20 pm

    Looks like a lot of bang for the buck…which brings up the question ….how much we lookin at here by the time you ride out the door ? Just wonderin…

  4. 4 nicker Jan 1st, 2015 at 9:55 pm

    Confirms the adage that in exhaust “more is better”……

    -nicker-

  5. 5 1550tc Jan 2nd, 2015 at 12:58 pm

    Guys at Fuel Moto have some pretty impressive kits for these 107 motors

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Cyril Huze