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Thread: Alien Engineering M5X turbo pistons

  1. #1
    Join Date
    Apr 2006
    Location
    Minnesota eh?
    Posts
    6,155
    My Cars
    86 325es

    Alien Engineering M5X turbo pistons

    I just got another shipment of pistons. These are turbo pistons for an M50, M52, M54

    This is my own proprietary piston design made specifically for 1000whp with thick ring lands, thick crown, and beefy skirts to handle lots of boost and heat. Comes with stainless steel rings and .225" wall chromoly wrist pins. Valve reliefs will clear 280+ degree cams with full vanos travel.


    These are also designed to not come out of the top of the block at TDC so you don't have to worry about hitting a cutring if something moves while your installing the head.

    I have the following sets in stock. Price is $980 shipped per set.

    If you need some other configuration I can order them.

    M52B28 crank, 84.5mm bore, 10.5:1 compression



    M52B28 crank, 84.5mm bore, 9.3:1 compression



    M54B30/S52 crank, 85mm bore, 10.5:1 compression



    M54B30/S52 crank, 84.5mm bore, 9.0 compression



    Last edited by someguy2800; 02-19-2022 at 02:31 AM.


    86 325es, 2.8L m50, S476sxe, ProEFI 128 ecu, e85, solid rear axle, TH400 trans, 28x10.5w slicks, zip ties, popsicle sticks, tape
    best time 9.06 @ 151.8 mph, best 60 foot 1.30

  2. #2
    Join Date
    Aug 2010
    Location
    Dallas, TX
    Posts
    1,635
    My Cars
    98' M3/4/6T
    Love this. I’m saving for a set.

  3. #3
    Join Date
    Jan 2021
    Location
    Ny
    Posts
    77
    My Cars
    94e36, 00e39 532it turbo
    dam! where was this when I bought my j.e. 22rpd pistons a few months back

  4. #4
    Join Date
    Jan 2004
    Location
    NY
    Posts
    22,825
    My Cars
    skateboard
    I have to add this to the future build list


    Sent from my iPhone using Tapatalk
    “If liberty means anything at all, it means the right to tell people what they do not want to hear.”
    ― George Orwell

  5. #5
    Join Date
    Jun 2012
    Location
    Grand Rapids MI
    Posts
    27
    My Cars
    98 M3 4 door - 89k miles
    Are these still available?
    996 Turbo | 1975 TVR 2500m | 1998 M3/4/5 | 2011 Jaguar XFR | 08 R32 | 2013 MV Agusta F4 | 2013 Aprilia Tuono

  6. #6
    Join Date
    Jan 2021
    Location
    Ny
    Posts
    77
    My Cars
    94e36, 00e39 532it turbo

  7. #7
    Join Date
    Jan 2005
    Location
    Philly, PA
    Posts
    675
    My Cars
    E36M3US & E34520iGeo
    I gots some for me few weeks ago, get it while its in stock! Thank you again bro! Pleasure doing business with you. Amir
    Amiran P.
    95'M3 S54 3.5L

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