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 -27.5cc #IC668
    Cast Piston Rings #E667
    Scat Enterprises 9000 Series Performance 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.

    Available kit upgrades / addons (selections available after clicking add to cart):

    • Upgrade to Hastings Moly Piston Rings +$30.00
    • Custom Autotec Forged Piston Option +$160 (custom pistons can be designed and built to any desired compression ratio and/or bore size)
    • Upgrade to Clevite Bearings +$60.00
    • Upgrade to Scat 4340 Forged Connecting Rods +$180.00
    • Balance Rotating Assembly +$130.00
    • 6- Fuel Injectors (24LBS) +$250.00

    ...Learn More

    $979.56

  • 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.

    Available kit upgrades / addons (selections available after clicking add to cart):

    • Upgrade to Hastings Moly Piston Rings +$30.00
    • Custom Autotec Forged Piston Option +$160 (custom pistons can be designed and built to any desired compression ratio and/or bore size)
    • Upgrade to Clevite Bearings +$60.00
    • Upgrade to Scat 4340 Forged Connecting Rods +$180.00
    • Balance Rotating Assembly +$130.00
    • 6- Fuel Injectors (24LB) +$250.00

    ...Learn More

    $979.56

  • 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.

    Available kit upgrades / addons (selections available after clicking add to cart):

    • Upgrade to Hastings Moly Piston Rings +$30.00
    • Custom Autotec Forged Piston Option +$160 (custom pistons can be designed and built to any desired compression ratio and/or bore size)
    • Upgrade to Clevite Bearings +$60.00
    • Upgrade to Scat 4340 Forged Connecting Rods +$180.00
    • Balance Rotating Assembly +$130.00
    • 6- Fuel Injectors (24LBS) +$250.00

    ...Learn More

    $979.56

  • 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

    Available kit upgrades / addons (selections available after clicking add to cart):

    • Upgrade to Hastings Moly Piston Rings +$30.00
    • Custom Autotec Forged Piston Option +$160 (custom pistons can be designed and built to any desired compression ratio and/or bore size)
    • Upgrade to Clevite Bearings +$60.00
    • Upgrade to ARP Connecting Rod Bolts +$90.00
    • Balance Rotating Assembly +$130.00
    • 6- Fuel Injectors (24LBS) +$250.00

    ...Learn More

    $901.23

Jeep 4.0L Add-ons

  • Jeep 4.0L Stage 1 Performance Camshaft Kit by Cleggs (CE-J4-CAM1)

    Jeep 4.0L Stage 1 Performance Camshaft Kit by Cleggs (CE-J4-CAM1)

    Available Kit Upgrades (Selections Available After Clicking Add to Cart)

    • Upgrade to Timing Kit
    • Add Fuel Injectors (24lbs | 252cc)
    Specs:
    Duration 263 Intake | 267 Exhaust 
    Duration @ 0.050 Valve Lift 209 Intake | 213 Exhaust
    Valve Lift 0.443 Intake | 0.443 Exhaust
    Kit Will Include:
    Camshaft, Lifters, Timing Set, Pushrods                                               

    ...Learn More

    $310.00
  • Jeep 4.0L Stage 2 Performance Camshaft Kit by Cleggs (CE-J4-CAM2)

    Jeep 4.0L Stage 2 Performance Camshaft Kit by Cleggs (CE-J4-CAM2)

    Available Kit Upgrades (Selections Available After Clicking Add to Cart)

    • Upgrade to Timing Kit
    • Add Fuel Injectors (24lbs | 252cc)
    Specs:
    Duration 269 Intake | 273 Exhaust
    Duration @ 0.050 Valve Lift 215 Intake | 219 Exhaust
    Valve Lift 0.484 Intake | 0.480 Exhaust
    Kit Will Include:
    Camshaft, Lifters, Timing Set, Pushrods, Valve Springs, Retainers,
    Valve Retainer Locks.

    ...Learn More

    $435.00
  • Jeep 4.0L Stage 3 Performance Camshaft Kit by Cleggs (CE-J4-CAM3)

    Jeep 4.0L Stage 3 Performance Camshaft Kit by Cleggs (CE-J4-CAM3)

    Available Kit Upgrades (Selections Available After Clicking Add to Cart)

    • Upgrade to Timing Kit
    • Add Fuel Injectors (24lbs | 252cc)
    Specs:
    Duration ??? Intake | ??? Exhaust
    Duration @ ???? Valve Lift ??? Intake | ??? Exhaust
    Valve Lift ???? Intake | ???? Exhaust
    Kit Will Include:
    Camshaft, Lifters, Timing Set, Pushrods, Valve Springs, Retainers,
    Valve Retainer Locks.

    ...Learn More

    $449.95