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Truck and Jeep Parts Home » Performance Parts » Performance and Remanufactured Engines » ATK 4.7L V8 Baja Stroker Jeep Engine - HP88

ATK 4.7L V8 Baja Stroker Jeep Engine - HP88

Part Number: ATKHP88
  • Technical Details

    • Block casting: 327AB or 328AB
    • Horse Power: 270
    • Torque: 320
    • Cylinder Head: Ported OE Cast Iron #0331
    • Bore/Stroke: .040-.060 x 3.906
    • Fully remanufactured
    • More low end torque
    • Completely replaces the 4.0L engine
    • Core Charge Added till Core Returned

Produces 270 HP and 320 pound-foot torque. This is the engine combination that won the Baja 1000 for Team ATK. Other modifications may be needed (Injectors, Throttle Body, ECU, Exhaust ect.) 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: Forged Dished Compression: 9.3:1 Rings: Moly Camshaft: Flat Tappet Camshaft Lift: lift .484 x .507 Camshaft Duration @.50:213x220 Cam Specs: 213/220 @50 .487in/.507ex 112LSA Cylinder Heads: Ported OE Cast Iron #686 Rocker Arms: Harland Sharp Billet Aluminum Roller Recommended Fuel: 92 Octane + Max RPM: 5300 Warranty: 1 year/12,000 miles For your engine core return, the engine core needs only to be the same type as the ATK engine supplied, complete and with no visible damage and be able to turn over 360 degrees. Core pickup is easy. Place it in the crate and call the pickup number provided with the bill of lading. We pay the freight back. We will contact you after the sale for your vehicle VIN number, cylinder block and head casting numbers. **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.

FitmentEngine TypeDisplacementEngine Configuration
Universal FitLong Block242L6

Customer Reviews

Questions & Answers

  • Q:

    "Are there any stock components in a 2006 4.0L TJ that will need to be replaced to accommodate this stroker engine? If so, which ones and what parts will need to replace them? For example fuel injectors, fuel pump, throttle body, intake manifold, etc."
  • Q:

    Is this build stage available with roller lifters and 1piece rear seal
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