ATK 4.7L Inline 6 Stroker Jeep Engine - HP67

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Specifications

  • ATK NORTH AMERICA | Part Number: ATKHP67
  • Engine Configuration:L6
  • Displacement:242
  • Engine Type:Long Block
  • Fitment:Universal Fit

PRODUCT OVERVIEW

Produces 205 HP and 280 pound-foot torque. Engine Type: AMC Straight 6 cylinder Displacement (cu.in): 242 Bore/Stroke: .040-.060 x 3.906 Crankshaft: Scat Nodular Steel Rods: OE 6.125" Pistons: Hypereutectic Dished Compression: 9.3:1 Rings: Moly Camshaft: Flat Tappet Camshaft Lift: lift .462 x .478 Camshaft Duration @.50:206x212 Cam Specs: 206/212 @50 .462in/.478ex 113LSA Cylinder Heads: OE Cast Iron #0331 Rocker Arms: OE Stamped Steel Recommended Fuel: 92 Octane + Max RPM: 5300 Warranty: 2 years unlimited miles. *Retail price does not include the manufacturer core charge. A sales rep will contact you when your order is received regarding the core charge and availability.

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Question & Answers

5 Answered questions

Q: does this engine fit in a 1999 jeep cheroke xj with a distributor.does a new stock radiator be enough for cooling. Answer this question

A: This engine does not fit the XJ. It fits: 1999-2004 Grand Cherokee and 2000-2006 Wrangler

Answered by Kelly from 4WP Corporate Headquarters on 06/01/2021

Q: Does the head accept the intake and exhaust manifolds from the 258 cid stock engine in 1989? Answer this question

A: ATK has indicated they are dropping all the HP engines. Customers have to get larger injectors Computer reprogrammed , better water pump and radiator, better flowing exhaust. Please call our sales team for further assistance on this part: Toll Free: 1-877-474-4821

Answered by Kelly from 4WP Corporate Headquarters on 04/16/2021

Q: will this engine work directly with the computer in a 2006 jeep tj sport Answer this question

A: Hello Yes it will work with your stock 4.0L computer. To get the most out of it we do recommend using a programmer like the Hypertech Max Energy. here is the part number if you want to take a look. HYP 52501

Answered by Rody on 10/25/2014

Q: I have a 2004 Jeep Rubicon TJ I live in California would this be a smog legal installation? Answer this question

A: Hello Ben, Thank you for the question. Yes, provided you install all of the factory SMOG items back on the vehicle in the factory locations.

Answered by RK on 04/04/2014

Q: if this is swapped for the 4.0L (stock engine) does the computer in a 2001 Jeep Cherokee required any modifications? Answer this question

A: Jason- Thanks for the question. The ATK 4.7 Stroker engine will require a custom tune to run correctly in 2001 Jeep Cherokee

Answered by DP on 10/10/2013

Manufacturer

As the largest private label crate engine remanufacturer in North America, ATK has been around for over 80 years producing parts including high performance engines, transmissions and rear axles. When your Jeep needs an engine rebuild, an ATK remanufactured engine uses reverse engineering processes to virtually eliminate factory defects that hinder performance. One reason ATK is at the forefront of engines is their adherence to thorough cleaning and inspection techniques and their machining and magnafluxing capabilities. If staying out of the garage and out on the trail is a priority, rely on ATK to get your 4x4 up and running. Shop ATK NORTH AMERICA Now

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