3400 (1996+) / 3100 Large Port (2000+)

3400 (1996+) / 3100 Large Port (2000+)
  • Cable Bracket for 65mm LX5 TB

    Cable Bracket for 65mm LX5 TB

    (Pics coming soon) Our revised cable bracket bolts to the front of the throttle body, making it compatible with both the 3100/3400 upper and 3500 LX9 upper intake.  

    $59.99

    $59.99

  • Head Bolt Set

    Head Bolt Set

    New head bolts are recommended when removed from the engine due to their Torque to Yield design.  Please tell us what vehicle you are using these for, or the donor vehicle if you are swapping an engine.  This listing is used for all variations of the GM 60V6 and because there are multiple part num…

    $37.99

    $37.99

  • Ported 3400 V6 Manifold Set

    Ported 3400 V6 Manifold Set

    An excellent upgrade on its own, and a perfect match to our performance 3400 cylinder heads.  Both manifolds are thoroughly cleaned and fully ported, netting the most airflow while retaining the runner taper and improving the wall texture.  A 65mm throttle body upgrade is recommended, but not allo…

    $549.99

    $549.99

  • 2000+ 3100 /  3400 Intake Gasket Set

    2000+ 3100 / 3400 Intake Gasket Set

    Full intake gasket set with upper/lower, EGR, Throttle Body, Injector O rings, valve cover gaskets, valve cover bolt seals, lower intake manifold bolts, etc.  

    $109.99

  • 3100/3400 Upper Intake Gaskets

    3100/3400 Upper Intake Gaskets

    Large Port upper gaskets with Throttle Body and EGR gasket

    $19.99

    $19.99

  • Oil Bypass Valve

    Oil Bypass Valve

    GM Oil Bypass Valve is a simple piece to remove and replace when you have a block cleaned for a rebuild.  

    $7.99

    $7.99

  • EGR Block Off Plate

    EGR Block Off Plate

    1/8" Aluminum plate to block off the EGR port on the intake manifold.  For off road use only.  M22x1.75 plug for the exhaust manifold is not available at this time.  

    $3.99

    $3.99

  • Custom Tuning (OBD2)

    Custom Tuning (OBD2)

    We no longer offer long distance tuning.  If you would like us to tune your vehicle, please call 574 968 7607 or email sales@wot-tech.com

    $0.00

    $0.00

  • HPTuners MPVI 3

    HPTuners MPVI 3

    Yet another version of HPTuners is coming out soon and you can pre order yours to make sure you get one as soon as they arrive.  Comes with 2 credits.  MPVI3 continues the legacy of its predecessor with features like Bluetooth 5.0, an M8 motorsports-grade screw-on connector, RGB LEDs, and USB-C …

    $499.99

    $499.99

  • Pushrod Guideplates

    Pushrod Guideplates

    Pushrod Guideplates for use with the 3100 and 3400 Gm V6 engines.  Modified, these also fit the 3500 LX9 heads.

    $49.99

    $49.99

  • Forged Connecting Rods

    Forged Connecting Rods

    Modified SCAT SBC connecting rods to drop right in any GM 60V6 engine with a 5.700" stock rod (2.8 to 3400).   Available in I or H beam configuration, I beam having 3/8" ARP bolts and H beam with 7/16" ARP bolts.  Bushed pin default, contact if you want pressed pins. Pin bore is stock SB…

    $589.99

    $589.99

  • HD Bearings for Forged Rods

    HD Bearings for Forged Rods

    These Clevite H series bearings are meant for the Forged I and H beam connecting rods offered here on WOT-Tech.  60V6 bearing tangs will not line up properly with the SBC tangs used. Clevite H-Series rod bearings were primarily developed for NASCAR racing, but are well suited to other types o…

    $84.99

    $84.99

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