ATK 4.7L Inline 6 Stroker Jeep Engine - HP67

universal fit logo


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


Produces 205 HP and 280 pound-foot torque. Engine Type: AMC Straight 6 cylinder Displacement ( 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.



Question & Answers

3 Answered questions

will this engine work directly with the computer in a 2006 jeep tj sport

Asked by brandon from Newfoundland on

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 from Newfoundland on

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

Asked by Ben from United States on

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 from United States on

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

Asked by Jason from on

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 from on


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