Item # 31985 BRAND: ATK Engines

ATK HP24 Jeep 4.6L / 4.7L Street Stroker Base Engine 205HP for 91-98 Jeeps

HP24 ATK AMC 4.7 Stroker 91-98 Engine Long Block
HP24 ATK AMC 4.7 Stroker 91-98 Engine Long Block
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HP24 ATK AMC 4.7 Stroker 91-98 Engine Long Block

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ATK HP24 Jeep 4.6L / 4.7L Street Stroker Base Engine 205HP for 91-98 Jeeps

Product Overview:

Description

ATK HP24 Jeep 4.6L / 4.7L Street Stroker Base Engine, or Stage 1 Engine, is designed for those that may have their own component parts already and who also are interested in completing out the build themselves. A Chrysler base engine typically consists of the following: Short Block, Camshaft, Timing set, Cylinder heads, Valve covers, Timing cover, oil pan, oil pump & pick up tube.

Engine Specifications:
  • HP: 205
  • TQ: 280
  • Block: OE block #569, 341 or 449
  • Bore/Stroke: 3.915” or 3.935” x 3.895”
  • Displacement: 4.6L / 4.7L
  • Crankshaft: Scat nodular iron with .850” pilot hole
  • Rods: OE
  • Pistons: Hypereutectic 9.3:1 compression
  • Rings: Moly
  • Camshaft: Hyd. flat tappet
  • Cam Specs: 206/212 @50 .462in/.478ex 113LSA
  • Timing Chain: Single roller
  • Cylinder Heads: OE cast iron #630 1996-1999
  • Rocker Arms: OE stamped steel
  • Oil Pump: Melling standard volume
  • This engine will reuse your stock parts from your tired old 4.0l while providing more power and reliability. Your engine may not necessarily come with all components listed, but they are listed as our recommendations of parts to run for optimal performance.

    Applications:

    1991-1997 All Models Vin "S"
    1998 Cherokee
    1998 Wrangler
    NOT for 1998 Grand Cherokee Vin "S"

    ATK specializes in muscle. With the highest quality internal parts and Dyno Proven combinations of every engine built, ATK is able to add the most bang for your buck and back it up with an industry leading warranty.



    Don't forget the engine paint!
    Engine Paint

    Warranty

    Click Here for Warranty Information

    Specifications

    Engine Information:

    • Oil: Conventional / Non Synthetic 10W30 with Comp Cam zinc additive #159 for first 3000 miles
    • Oil Filter: Wix or K&N
    • Timing: Factory settings
    • Spark Plug Gap: .035”
    • Firing Order: 153624
    • Octane: 91+
    • Stall Converter: Stock
    • Exhaust: Headers/Performance exhaust
    • Weight: 397 lbs.

    Notes: This engine will work with all stock components, but ATK recommends a cold air intake, headers, exhaust and chip for maximum power potential.

    Disclaimer: The parts listed are ATK’s recommendations of parts to be used to obtain our power figures listed. Power figures can vary based on parts used by the end user. It is the customer’s responsibility to verify components will work in their application. Some modifications to the vehicle may be required using these and or other aftermarket parts. . ATK reserves the right to substitute parts used in engines if necessary.

    Shipping & Handling

    Shipping is free and lift gate will be provided.

    There is no core charge for this engine. You will not be required to send a core back to the manufacturer.

    In the Box

    Contents

    (1) ATK HP24 Jeep 4.6L / 4.7L Street Stroker Base Engine 205HP for 91-98 Jeeps

    Guides & Accessories

    Accessories

    Recommended Components: • Balancer: OE
    • Flexplate/Flywheel: OE
    • Intake Manifold: OE
    • Throttle Body: OE
    • Fuel Pump: OE
    • Ignition: OE ignition system
    • Spark Plugs: Autolite #AP985
    • Spark Plug Wires: OE
    • Water Pump: OE per application

    Reviews

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    Questions & Answers

    Do i need to purchase any other parts or could I potentially drop this right in my 96 xj?

    Asked by: Anonymous
    We apologize for the confusion and inconvenience. We would have to advise you to speak directly to the manufacturer as these items drop ship. They can be reached by calling 866-721-2315.
    Answered by: Kelly H
    Date published: 2021-08-12

    Soooo I wanna turbo my xj. Its a 93 and i want a solid block to run 12-20 possible pounds boost, would this be a possible powerplant for something like that??

    Asked by: Justin
    We apologize for the confusion and inconvenience. We would have to advise you to speak directly to the manufacturer as these items drop ship. They can be reached by calling 866-721-2315.
    Answered by: Kelly H
    Date published: 2021-08-11

    I have a 99 wrangler with a distributor motor. Will this motor work

    Asked by: Mccmard
    We apologize for the confusion and inconvenience. We would have to advise you to speak directly to the manufacturer as these items drop ship. They can be reached by calling 866-721-2315.
    Answered by: Caleb M
    Date published: 2021-08-06

    What has been done to the head? What roller rockers are recommended?

    Asked by: KrazyK
    We apologize for the confusion and inconvenience. We would have to advise you to speak directly to the manufacturer as these items drop ship. They can be reached by calling 866-721-2315.
    Answered by: Kelly H
    Date published: 2021-08-04

    Will this fit in my 1991 wrangler yj 4.0L I6?

    Asked by: Bjorn
    We apologize for the confusion and inconvenience. We would have to advise you to speak directly to the manufacturer as these items drop ship. They can be reached by calling 866-721-2315.
    Answered by: Kelly H
    Date published: 2021-08-04

    Will this fit my 1991 jeep wrangler 4.0L?

    Asked by: Bjorn
    We apologize for the confusion and inconvenience. We would have to advise you to speak directly to the manufacturer as these items drop ship. They can be reached by calling 866-721-2315.
    Answered by: Kelly H
    Date published: 2021-08-04

    Will it work with my 06 Rubicon?

    Asked by: Milo1970
    We apologize for the confusion and inconvenience. We would have to advise you to speak directly to the manufacturer as these items drop ship. They can be reached by calling 866-721-2315.
    Answered by: Kelly H
    Date published: 2021-08-04

    will this work in a 99 jeep cherokee? will i have to get different injectors?

    Asked by: Aliendave
    I too have a 99 Cherokee with a 0630 head yet this one does too but don't work. But the one I'd have to get is the 0331? Isn't this head gonna crack cause the 0630 was the Chrysler attempt to fix head cracking. Why do I want to get ride of a ok head to get a head that's got a bad rep for cracking or do I have my head done and put on one that uses the 331 so I'm good
    Answered by: Buddy
    Date published: 2020-08-02
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    ATK HP24 Jeep 4.6L / 4.7L Street Stroker Base Engine 205HP for 91-98 Jeeps
    $4,955.00
    In Stock