2.8/3.1/3.4 Gen 1 Iron Head

2.8/3.1/3.4 Gen 1 Iron Head

The iron head engine engine had a few variations, and all of the products on our site are made for the large main journal engines released in 1985.  Notably, the heads went from a 1.3/"  1.6" valve set to 1.42" / 1.72".  The mains were changed due to the 80-84 crankshafts breaking.  It is cheaper and easier to start with a newer iron head block for those looking to rebuild the earlier 2.8 engine.

  • 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

  • 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…

    $657.99

    $657.99

  • 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…

    $48.99

    $48.99

  • 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…

    $733.99

    $733.99

  • 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

    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

  • L19 Rod Bolt Upgrade for Forged Rod Upgrade

    7/16" L19 Alloy Steel rod bolts for use in our Modified SCAT SBC connecting rods.  Do not handle these bolts with your bare hands.  Wear gloves and keep oiled! From ARP.  L19: This is a premium steel that is processed to deliver superior strength and fatigue properties. L19 is a very high…

    $184.99

    $184.99

  • 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

  • 3.4 Iron Head Forged Pistons

    For those using Iron Heads on their GM 60V6, we have adjusted our pistons for either 8.5 or 11.5 compression ratings.  Custom is also available.  For the best factory style ring options, we have opted to not use the original iron head ring grooves in favor of the 3400 rings, which are the same wid…

    $799.99

    $799.99

  • 2.8 Iron Head Forged Pistons

    For those using Iron Heads on their GM 60V6, we have adjusted our pistons for either 8.5 or 11.5 compression ratings.  Custom is also available.  For the best factory style ring options, we have opted to not use the original iron head ring grooves in favor of the 3100 rings.  For the best ring op…

    $799.99

    $799.99

  • 3.1 Iron Head Forged Pistons

    For those using Iron Heads on their GM 60V6, we offer a forged piston for your engine configuration  Piston ring setup is either for stock 1.5/1.5/4.0mm sizes, or for the best ring options, we use a 1.5/1.5/3.0 groove set for Total Seal rings. These are to a custom depth to match a more popular eng…

    $799.99

    $799.99

  • Fidanza Aluminum Flywheel

    These Fidanza billet aluminum flywheels are manufactured from the highest quality 6061-T6 billet aluminum. They feature excellent heat dissipation and weight reduction. The replaceable friction surface is constructed from 1045 steel and attached with military-grade aerospace fasteners. Fidanza bille…

    $399.99

    $399.99

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