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  1. #1
    RC Qualifier
    Join Date
    Jan 2002
    Nelson B.C, Canada

    TRX2.5 Questions

    i was wondering what is the part number for the piston and sleeve for a standard TRX2.5 engine is?
    if i use a power tune blue cooling head and the part number TRX5230X piston and sleeve, is it fully up to 2.5R specs?

  2. #2
    RC Turnbuckle Jr. Nitronaught's Avatar
    Join Date
    Oct 2005
    South Florida
    The only difference between the 2.5 and 2.5r (except for much older models of the 2.5, not many) is the cooling head.
    TRA5230X is the part number.

    I'd Ebay them myself, personally. Tower wants $46.99 for piston and sleeve + shipping. For that price with shipping you can get piston sleeve AND conrod from a new engine for around the same price shipped. That's what I do.
    All Lives Matter
    United We Stand, Divided We Fall

  3. #3
    RC Competitor
    Join Date
    Aug 2016
    South Carolina
    I second that. Same price less mess.

    Sent from my LG-K330 using Tapatalk
    Nitro junkie, but I dabble with electrics.

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