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

  • Performance 3100/3400 Cylinder Head Set

    Pricing/Options will be added soon! New for 2018, these performance cylinder head options represent the best we have to offer for every budget, with every option and recommendation based on research and experience. Multiple stages, with options within each stage to allow you to get excatly what y…


  • 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…


  • 3400 Performance Package - Level 1

    This package includes everything you need to run our Stage 1 heads and manifolds.  Designed for 2000+ engines using Multec 2 injector connectors and 55 psi fuel pressure regulator.  Please choose your rocker arm stud size, 10mm or 8mm.  2003+ (some 02) are 8mm.  We offer Time Sert upgrades for b…


  • Ported 3400 V6 Manifold Set

    We offer 2 stages of porting, each with its own level of modification.  All of our manifolds are cleaned, baked, blasted, and inspected for cracks and warpage.  Stage 1 uses the stock large port 3100/3400 intake gaskets as a template.  Stage 2 uses the larger 3500 upper intake gasket for the most…


  • 3100/3400 Intake Gasket Set

    Metal lower intake gaskets are the latest revision, and we include the throttle body gasket and a torque spec sheet as well.  


  • 3100/3400 Upper Intake Gaskets

    Large Port upper gaskets with Throttle Body and EGR gasket


  • MSD DIS-4 Plus

    MSD’s DIS-4 Ignition Control is designed for engines with coil pack, waste spark ignition systems and is capable of firing up to four coil packs (or even four individual coils). Each Control delivers full power Capacitive Discharge sparks from idle through racing rpm. Below 3,000 rpm there is a se…


  • MSD Coil Pack Adapter

    For use with the MSD DIS-4 Plus or DIS-4 Plus HO.  You will need 3 of these to connect the stock coil packs to the MSD box. The module has color coded wires that connect to the DIS wiring and are molded using Dupont Rynite for its high di­electric strength and connect directly to the factory te…


  • MSD DIS-4 Plus HO

    For full bred drag race engines running high boost pressures from turbos, blowers or nitrous we offer a Higher Output version of the DIS Ignition Control. The DIS-4 Plus HO Ignition produces an incredible 170 millijoules of spark energy with 470 primary volts. This increased output will light up fue…


  • Oil Bypass Valve

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


  • Timing Chain Tensioner

    Use this tensioner to keep the chain tight compared to the OE dampener. Works with all Gen 3 engines.  May fit Gen 1 and 2 as well


  • 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.