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Thread: Big Bore Kit for Rancher 350

  1. #1
    Join Date
    Sep 2004
    Location
    SC
    Posts
    72

    Big Bore Kit for Rancher 350

    Has anyone tried one of the big bore kits for the 350 Rancher. I love my 04, but would like to get a little more power out of it. I have been reading about a kit from www.highlifter.com that bores out to a 375cc.

    Anybody tried this?
    2002 400EX
    -Wiseco 11:1 440 kit
    -450R front shocks
    -K&N lid and filter kit
    -HMF slip-on
    -modified head pipe
    -Dynojet performance kit

    2004 Rancher ES 2WD
    -HMF slip-on
    -K&N filter
    -Dynojet performance kit

  2. #2
    Join Date
    Apr 2005
    Posts
    228
    I had my 300 bored to over 370cc. Started out with the 355cc kit from HL and it does give it a substantial bit more power and low end torque. Only problem is that with boring the engine your reliability is going to go down....
    2004 Grizzly with 24" ground clearance

    For pictures and videos check out http://www.atvmudmania.com

  3. #3
    Join Date
    Dec 2005
    Location
    Pa.
    Posts
    13

    Talking

    I think powroll and maybe wiseco make kits i know highlifter sells em.

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