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Rebuilt Crate Performance Engines
Rebuilt Crate Engines > Performance Engines > Jeep/AMC Performance Engine > Jeep/AMC 4.0L*4.2L Wrangler

Jeep/AMC 4.0L*4.2L Wrangler

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Custom-built performance 4.0/4.2 longblock: 240 –280 HP with 285 ft lbs torque.

  • 4.0 L or 4.2L block bored, honed, decked and align honed
  • Performance camshaft: (specs may change)
    • 206/212 @ .050
    • .460/476 lift
    • 113 lobe center
  • New performance cam bearings
  • Match weight balanced rotating assembly with balancer
    • Reground crankshaft
    • Resized rods with ARP® rod bolts
    • New performance bearings
  • Performance pistons with Molly® rings
    • 9 to 1 compression ratio
  • New performance timing set
  • New performance high volume oil pump
  • Cylinder head includes:
    • new steel valves 1.90"'/ 1.550"
    • matching valve springs
    • new head bolts
    • 3 angle seats
    • bronze guides
    • positive seals
  • New push rods and stamped rockers
  • New performance gasket set
  • Painted black
  • Stage 2 porting

Price: $ 2895.00 plus core and shipping

As with all our remanufactured engines, this Jeep/AMC 4.0L*4.2L Wrangler features new pistons, rings, complete gasket set, oil pump, and valvetrain installed. The block is bored and honed and new cam bearings and freeze plugs are installed. The heads are resurfaced, featuring new guides and seals, then refinished with a 3-angle valve job. Crankshafts are reground and micro polished to factory specs. Each motor is pretested for compression, oil pressure, and oil flow before leaving the factory.

Our 12 month limited warranty covers parts for 12 months unlimited mileage.

Each of our engines can be custom built to your specifications. For more information please contact us for a custom engine quote or call us at 1-800-275-7371 for immediate assistance.

NOTE: A Core Charge is required on all sales. Cores returned to Rebuilt Crate Engines must be the exact same as the engine ordered. When you return your rebuildable core to Rebuilt Crate Engine, your Core Charges will be refunded. Please note that any product history provided is for entertainment purposes only and is not indicative or representative of the product being offered on this page. Product history is provided courtesy of Wikipedia, see licence.