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.

  • Fidanza Aluminum Flywheel

    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…

    $419.99

    $419.99

  • 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 2.8-3.4 Main Stud Kit

    ARP 2.8-3.4 Main Stud Kit

    Main Stud Kit for non windage tray use, such as 2.8/3.1/3.4 iron head engines and 2.8/3.1 MPFI aluminum head engines.

    $139.99

    $139.99

  • 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 2.8 w/ DIS Crank Scraper

    GM 2.8 w/ DIS Crank Scraper

    This scraper is designed for the 2.8 engine with the DIS ignition.  Distributor engines should use the non DIS scraper instead. Ishihara-Johnson crank scrapers are a very simple but effective way to improve the performance of your engine! During normal engine operation a significant amou…

    $84.99

    $84.99

  • GM 2.8 w/o DIS Crank Scraper

    GM 2.8 w/o DIS Crank Scraper

    This scraper is designed for the 2.8 engine with a distributor.  DIS ignition setups should use the 2.8 w/ DIS scraper instead. 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…

    $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

  • Tri-Metal 60V6 Rod Bearings

    Tri-Metal 60V6 Rod Bearings

    Tri Metal bearings offer better load carrying capability and small particle embedability than the more common Bi-Metal rod bearings easily found for the 60V6 engines with 2.000" journals.  Usually stocked in Std and .010".  Up to .030" available.

    $39.99

    $39.99

  • 60V6 Tri-Metal Main Bearings

    60V6 Tri-Metal Main Bearings

    Performance Tri Metal Main Bearings for the 60V6 engines starting in 1985/86.  Older 2.8s use a smaller main journal which is not suitable for performance applications.

    $74.99

    $74.99

  • ARP Crank Damper Bolt

    ARP Crank Damper Bolt

    As the crankshaft flexes, the damper absorbs incredible amounts of energy. This damper bolt kit from ARP will ensure that your balancer is locked into position. They feature a 1/4 in. thick wide-area washer and an extra tall 12-point head that accepts a deep socket to eliminate the fear of strippin…

    $39.99

    $39.99

  • ARP Flywheel/Flex Plate Bolts

    ARP Flywheel/Flex Plate Bolts

    These premium-grade Pro series flywheel/  flexplate bolts from ARP are forged from aerospace alloy and heat-treated prior to thread rolling and machining. They feature an exclusive, flat 12-point head design and a larger-than-stock shank diameter for increased strength and improved register. …

    $49.99

    $49.99

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