Item #
22581
BRAND: ATK Engines
ATK Jeep 4.7 Stroker Engine 205HP 1987-1990 Base HP25
ATK HP25 Jeep 4.7 Stroker Engine 205HP Price Includes $470 Core Charge
ATK HP25 Jeep 4.7 Stroker Engine 205HP Price Includes $470 Core Charge
ATK HP25 Jeep 4.7 Stroker Engine 205HP Price Includes $470 Core Charge
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Product Overview:
Description
Boost the power of your old automobile with this ATK Jeep 4.7 Stroker Engine. Its 205 horsepower increases the potential of the vehicle, while the cast iron cylinder head ensures better reliability. This crate engine works by using the stock parts of your exhausted 4.0l jeep engine, and is suitable for all 1987-1990 models.
Engine Specifications:
- Horsepower: 205
- Torque: 280 lb/ft
- Block: Seasoned OE Block Cast #665 or 535
- Bore/Stroke: 3.915" or 3.935" x 3.895"
- Year Range: 1987-1990
- 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: 1987-1990 Cast #686
- 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!
Warranty
Specifications
•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: 1 5/8 Headers
•Fuel Pump: Stock
•Fuel: 91+ Octane
•Ignition: Stock
•Automatic Transmission Stall Converter: Stock
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.
Shipping & Handling
In the Box
Contents
Guides & Accessories
Reviews
Questions & Answers
Can I use my Weber carb and stock manifolds on this?
For questions on the manifold and carbs that can be used with this motor please reach out to ATK directly since they are the manufacturer of this motor.
Below is a link
https://www.high-performance-engines.com/contact-us-s/1786.htm
Date published: 2022-04-25
These engines go from 87’ to 90’, and 99’ to 06’, so I take it they’re not compatible with a 93’? I have a 93’ Cherokee Sport and would be interested, if it would be direct replacement.
We would have to advise you to speak directly with the manufacturer on this. They (ATK High Performance) can be reached by calling: 866-721-2315. We apologize for the confusion and inconvenience.
Date published: 2023-05-01
Will this work in an 89 YJ Wrangler? Currently has a 4cyl. I imagine the parts from 4cyl won’t transfer over
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.
Date published: 2021-11-04
Will this work in a 74 Jeep CJ5?
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.
Date published: 2021-09-27
Does this come with intake and injectors?
No. the intake manifold and the fuel injectors are not included.
Date published: 2021-06-09
ATK Jeep 4.7 Stroker Engine 205HP 1987-1990 Base HP25
$9,832.00
In Stock