3.4 DOHC

3.4 DOHC
  • 3.4 DOHC Coated Piston Set w/ Rings

    3.4 DOHC Coated Piston Set w/ Rings

    Hypereutectic piston set with skirt coating and CBX thermal coating meant for high compression and boosted engines.  Made for the 3.4 DOHC LQ1 engine using the 1.2/1.5/3.0mm ring set (included), these are a direct replacement for the 3.4 Camaro and 3400 SFI engines.  On stock 3400 heads, this woul…

    $499.99

  • Performance Valve Springs for LQ1

    Performance Valve Springs for LQ1

    These are a proven upgrade for the 3.4 DOHC engine, with #125 lbs seat pressure and #200 at .400" lift.  This kit also includes the modified seats and new steel retainers for use with the springs.  Your stock keepers and valve stem seals are then used to complete the setup.  …

    $489.99

  • Custom Tuning (OBD1)

    Custom Tuning (OBD1)

    We offer custom tuning for OBD1 vehicles using any naturally aspirated 60V6 engine.  Our pricing starts at $100 and goes up from there, to roughly $300.  This is based on time and degree of difficulty.  Tuning a car requires focus, so it is important to keep at it once the task has started.  Thi…

    $249.99

    $249.99

  • 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.  

    $5.99

    $5.99

  • 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…

    $499.99

    $499.99

  • 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

  • Forged 3.4 DOHC Pistons

    Forged 3.4 DOHC Pistons

    LQ1 GM 60V6 3.4 DOHC specific pistons with 4 valve reliefs and custom compression options. 

    $849.99

    $849.99

  • ARP Rod Bolts/nuts

    ARP Rod Bolts/nuts

    ARP rod bolts/nuts for the 60V6 2.8, 3.1, 3.4, 3100, 3400, and 3.4 DOHC connecting rods.  These are an excellent upgrade for the money, especially when compared to the cost of new stock replacement rod bolts.  Cutting the rod caps and resizing the big end is required.      The description…

    $64.99

    $64.99

  • ARP 3x00 / 3.4 DOHC Main Stud Kit

    ARP 3x00 / 3.4 DOHC Main Stud Kit

    Strengthen your bottom end with our ARP Main Stud Kit.  Kit includes washers, studs, nuts, and ARP moly lube.  Long enough for use with a windage tray.  Windage Tray holes will need to be opened up to 7/16" to fit the stud.  From experience, we have not found align boring/honing to be necessary …

    $184.99

  • GM 3.1 / 3.4 Crank Scraper

    GM 3.1 / 3.4 Crank Scraper

    This scraper is designed for the 3.1 MPFI, 3100, 3400, and 3.4 DOHC engines. Ishihara-Johnson crank scrapers are a very simple but effective way to improve the performance of your engine! During normal engine operation a significant amount of oil adheres to or becomes entrained in a cloud surr…

    $84.99

    $84.99

  • GM 3.1 / 3.4 Teflon Crank Scraper

    GM 3.1 / 3.4 Teflon Crank Scraper

    This scraper is designed for the 3.1 MPFI, 3100, 3400, and 3.4 DOHC engines. Ishihara-Johnson crank scrapers are a very simple but effective way to improve the performance of your engine! During normal engine operation a significant amount of oil adheres to or becomes entrained in a cloud surr…

    $214.99

  • Performance Cam Bearings

    Performance Cam Bearings

    These SBC cam bearings are a direct replacement, and will spread the load across the entire cam journal, unlike the stock bearings.  Bi metal to support the roller cam profile and  the load of higher spring pressure associated with performance cams.  Regular SBC cam bearings are not designed for…

    $39.99

    $39.99

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