Item # 22620 BRAND: ATK Engines

ATK Jeep 4.7 Stroker Engine 205HP 99-06 Base HP67

HP67 ATK Jeep 4.7 Stroker 99-06 Base Engine 205HP
HP67 ATK Jeep 4.7 Stroker 99-06 Base Engine 205HP
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HP67 ATK Jeep 4.7 Stroker 99-06 Base Engine 205HP

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ATK Jeep 4.7 Stroker Engine 205HP 99-06 Base HP67

Product Overview:


Breathe new life to your old ride with this ATK HP67 Jeep 4.7 Stroker Engine 205HP 99-06 Base. It works with the existing components and provides a visible boost in performance. This crate engine adds 205 horsepower and 280 torque to the jeep.

Engine Specifications:

  • Horsepower: 205
  • Torque: 280 lbs./ft.
  • Block: Seasoned OE Block Cast #327AB, 328AB
  • Bore/Stroke: 3.915" or 3.935" x 3.895"
  • Year Range: 1999-2006
  • Displacement: 4.6L / 4.7L
  • Crankshaft: Scat Nodular Iron 3.895" Stroke / 2.125 Snout .850 Pilot Hole
  • Connecting Rods: OE
  • Pistons: Hypereutectic Dished
  • Piston Rings: Moly Rings
  • Compression Ratio: 9.3:1 Compression
  • Camshaft: Hydraulic Flat Tappet
  • Camshaft Specifications: 206/212 @050 .462in/.478ex 113LSA
  • Camshaft Bearings: Installed & Clocked to OEM Position
  • Cylinder Heads: 1999-2006 Cast #0331
  • Freeze Plugs: Brass Installed & Sealed
  • Rocker Arms: Stamped Steel
  • Oil Galley Plugs: Installed & Sealed
  • Oil Pan: OE 6qt.
  • Weight: 397

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


Click Here for Warranty Information


Engine Information:

• Oil: 10W30
• Oil Filter: Wix or K&N Recommended Per Your Application
• Fuel Delivery: OE EFI System
• Intake Manifold: Stock Manifold
• Fuel Injectors: Stock Injectors
• Spark Plugs: Champion #RC9YC4
• Spark Plug Gap: .035"
• Harmonic Balancer/Damper: Stock Factory Balancer Internally Balanced
• Flex Plate / Flywheel: Stock
• Timing: Set To Factory Specifications
• Throttle Body: Stock
• Water Pump: Stock
• Firing Order: 1 5 3 6 2 4
• Air Intake: Cold Air Intake Suggested
• Exhuast: Stock Manifolds or Banks/Borla Header to achieve HP Rating
• Fuel Pump: Stock
• Fuel: 91+ Octane
• Ignition: Stock
• Automatic Transmission Stall Converter: Stock

Shipping & Handling

Shipping is free and lift gate will be provided.

In the Box


ATK High Performance 4.6L / 4.7L Street Stroker 205 HP Stage 1 Long Block Base Engines

Guides & Accessories


Recommended Components:

• Balancer: OE
• Intake Manifold: OE
• Flexplate/Flywheel: OE
• Fuel Pump: OE
• Spark Plugs: Autolite #417-AP985
• Spark Plug Wires: OE
• Water Pump: OE Per application

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 for their application. Some modifications to the vehicle may be required using these and or other aftermarket parts.


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Questions & Answers

Will the 4.7 stroker be compatible with a 97 Wrangler Sahara TJ

Asked by: Woody
The engine is direct replacement for a 99'-06'. Modifications would be needed to install this engine in a 97'.
Answered by: 29 Gallon single stage
Date published: 2023-02-09

Will this engine be compatible with my 1984 CJ7? Does it need a special install kit to fit a 1984 CJ7? 

Asked by: IndianaMark
This engine would fit in that CJ7, you'd need to call Advance Adapters for any specific mounts/adapters you may need.
Answered by: Bart
Date published: 2022-09-16

Will this fit a 2000 Jeep Wrangler TJ?  Currently has a 2.5L engine 

Asked by: Mike5898
Yes, you'll be able to use this engine, yu may need adapters and motor mounts for the install, but the engine itself will easily fit in the TJ
Answered by: Bart
Date published: 2022-09-16

Will a sprintex supercharger be able to be installed on this engine?

Asked by: Juan
For any question about performance add ons we recommend reaching out to the manufacturer ATK directly at the link listed below.
Answered by: ZachC
Date published: 2022-03-02

I have 2008 Jeep Grand Cherokee 4.7 engine that seized on me and I was wondering if you guys rebuild engine blocks

Asked by: Reyes Gmo
We are a 3rd party manufacturer for ATK Motors and we do not do any rebuilding of blocks.
Answered by: ZachC
Date published: 2022-03-01

Will this fit a 1999 wj ? 

Asked by: Stan h
As long as you have a 4.o in it so you can swap the accessories straight across . No modifications should be needed.
Answered by: ToddPaul
Date published: 2021-12-21

I just recently installed the stroker motor for my 1997 TJ. I want to know if I should change the injectors to get better performance. And what size do I need?

Asked by: Robert
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: 2022-07-07

will this engine fit a 1999 jeep cherokee xj. does computer need anything done to it. will a new stock radiator be enough to cool the stroker.

Asked by: jeepseeker
Yes this will fit your 1999 XJ. Tthe computer will work fine with this engine as it is self learning. A new stock radiator should be sufficient to cool this engine. Additional Question can be directed to ATK Performance Engines @ 1-866-721-2315.
Answered by: vince
Date published: 2021-06-09
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ATK Jeep 4.7 Stroker Engine 205HP 99-06 Base HP67
Out of stock