Jeep 4.0L Stroker Kits

  • Comes with:
    KB Hypereutectic Dish Pistons -27.5cc #KB421
    Cast Piston Rings #E667
    Scat Enterprises 9000 Series Cast Steel Crankshaft 3.895” Stroke #9-4.2L-3895
    Connecting Rods 4.0L 242ci 6.125” Reconditioned
    King Connecting Rod & Main Bearing Set

    Compression ratios will vary depending on block deck height and gasket thickness. Please contact our customer service department for compression ratio options

    Core Charge Note: You have three connecting rod options with this kit (options are chosen after clicking "Add to Cart & Configure"):

    • Option #1 - Use the new connecting rods that come with the base kit. This option requires a refundable core charge. You will receive a return shipping label to ship your old connecting rods to us at no cost to you. Once your rod cores are received, we will refund the initial core charge.
    • Option #2 - Remove the connecting rods from this kit / use your old connecting rods. This option removes the need for a core charge and lowers the kit price.
    • Option #3 - Upgrade to SCAT 4340 forged connecting rods. This option removes the need for a core charge and increases the cost of the kit.

    ...Learn More

    $899.95

  • Comes with :
    Icon 4032 Forged Dish Pistons -21cc #IC944
    Cast Piston Rings #E667
    Scat Enterprises 9000 Series Cast Steel Crankshaft 3.895” Stroke #9-4.2L-3895
    Connecting Rods 4.0L 242ci 6.125” Reconditioned
    King Connecting Rod & Main Bearing Set

    Compression ratios will vary depending on block deck height and gasket thickness. Please contact our customer service department for compression ratio options. There is a $90.00 Refundable Core charge for the connecting rods, if we do not receive the rods back within 30 days you will be charged $90. There will be a return label to ship the rods back.

    Core Charge Note: You have three connecting rod options with this kit (options are chosen after clicking "Add to Cart & Configure"):

    • Option #1 - Use the new connecting rods that come with the base kit. This option requires a refundable core charge. You will receive a return shipping label to ship your old connecting rods to us at no cost to you. Once your rod cores are received, we will refund the initial core charge.
    • Option #2 - Remove the connecting rods from this kit / use your old connecting rods. This option removes the need for a core charge and lowers the kit price.
    • Option #3 - Upgrade to SCAT 4340 forged connecting rods. This option removes the need for a core charge and increases the cost of the kit.

    ...Learn More

    $979.95

  • Comes with :
    Icon 4032 Forged Dish Pistons -10.8cc #IC945
    Cast Piston Rings #E667
    Scat Enterprises 9000 Series Cast Steel Crankshaft 3.895” Stroke #9-4.2L-3895
    Connecting Rods 4.0L 242ci 6.125” Reconditioned
    King Connecting Rod & Main Bearing Set

    Compression ratios will vary depending on block deck height and gasket thickness. Please contact our customer service department for compression ratio options

    Core Charge Note: You have three connecting rod options with this kit (options are chosen after clicking "Add to Cart & Configure"):

    • Option #1 - Use the new connecting rods that come with the base kit. This option requires a refundable core charge. You will receive a return shipping label to ship your old connecting rods to us at no cost to you. Once your rod cores are received, we will refund the initial core charge.
    • Option #2 - Remove the connecting rods from this kit / use your old connecting rods. This option removes the need for a core charge and lowers the kit price.
    • Option #3 - Upgrade to SCAT 4340 forged connecting rods. This option removes the need for a core charge and increases the cost of the kit.

    ...Learn More

    $979.95

  • Comes with :
    Sealed Power Hypereutectic Coated Dish Pistons -15.1cc #H825CP
    Cast Piston Rings #E667
    Scat Enterprises 9000 Series Performance Cast Steel Crankshaft 3.895" Stroke #9-4.2L-3895
    Connecting Rods 4.2L 258ci 5.875” New
    King Connecting Rod & Main Bearing Set

    Compression ratios will vary depending on block deck height and gasket thickness. Please contact our customer service department for compression ratio options

    ...Learn More

    $899.95

Jeep 4.0L Add-ons