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Performance and Remanufactured Engines

Take the guess work out of trying to sift through the thousands of engine parts. Whether you are looking for a performance upgrade or a remanufactured stock engine there are plenty of choices to suit your needs.



    • ATK NORTH AMERICA AMC 150 Replacement Jeep Engine

      • Fits 1987 to 1996 Wrangler and Cherokee
      • AMC 150 engine VIN P and H block
      • Block castings: 200, 059, 532 and 403
      • Head castings: 403, 117 and 893
      • Crank casting: 904
      • Cam casting: 3240302
      • No oil bypass
      • Short crank snout 2.125"
      • Check cam for fuel pump lobe: DA28 has lobe
      • Fully remanufactured assembly
      • Expert craftsmanship
      • Backed by a 3-year unlimited mile warranty
    • ATK NORTH AMERICA AMC 4.0L Replacement Jeep Engine

      • Fits 2000 to 2006 TJ Wrangler, Rubicon and Unlimited
      • Fits 1999 to 2004 Grand Cherokee
      • 4.0L 242 engine VIN S block
      • Block castings: 53010327AB and 53010328AB
      • Head casting: 0331
      • Crank casting: 53010411
      • Oil filter base is 90 degrees to pan rail
      • Smaller exhaust ports 1-1/8" tall
      • Fully remanufactured assembly
      • Expert craftsmanship
      • Backed by a 3-year unlimited mile warranty
    • ATK NORTH AMERICA AMC 258 Replacement Jeep Engine

      • Fits 1987 to 1990 YJ Wrangler
      • AMC 258 engine VIN C and T block
      • Block casting: 444
      • Head casting: 3661
      • Crank casting: 3727
      • Block has no oil filter check valve
      • Crank snout is 2.125"
      • Fully remanufactured assembly
      • Expert craftsmanship
      • Backed by a 3-year unlimited mile warranty
    • ATK NORTH AMERICA Replacement Jeep Engines

      • Fits 2007 to 2008 JK Wrangler, Rubicon and Unlimited
      • 2 and 4-door models
      • 3.8L 6 cylinder
      • Block cast #4666031ab
      • Left head cast #4694688aa
      • Right head cast #694688ab
    • ATK NORTH AMERICA AMC 4.0L Replacement Jeep Engine

      • Fits 1992 to 1995 YJ Wrangler
      • Fits 1992 to 1995 XJ Cherokee
      • Fits 1992 MJ Comanche
      • 4.0L 242 engine VIN S block
      • Block casting: 405
      • Head castings: 7119 and 7120
      • Crank castings: 453 and 767
      • Pilot hole in crank is 7/8" deep
      • Be careful check crank number
      • Fully remanufactured assembly
      • Expert craftsmanship
      • Backed by a 3-year unlimited mile warranty
    • ATK NORTH AMERICA AMC 4.0L Replacement Jeep Engine

      • Fits 2000 to 2001 XJ Cherokee
      • 4.0L 242 engine VIN S block
      • Block casting: 53010449AA
      • Head casting: 0331
      • Crank castings: 53010411 and 53020767
      • Uses cam thrust plate
      • Fully remanufactured assembly
      • Expert craftsmanship
      • Backed by a 3-year unlimited mile warranty
    • ATK NORTH AMERICA 4.7L Stroker Jeep Engine

      • Fits 2000 to 2006 TJ Wrangler, Rubicon and Unlimited
      • Fits 1999 to 2001 XJ Cheokee
      • Fits 1999 to 2004 WJ Grand Cherokee
      • Block casting: 327AB or 328AB
      • Horse Power: 205
      • Torque: 280
      • Cylinder Head: OE Cast Iron #0331
      • Bore/Stroke: .040-.060 x 3.906
      • Fully remanufactured
      • More low end torque
      • Completely replaces the 4.0L engine
    • ATK NORTH AMERICA 4.7L Baja Stroker Jeep Engine

      • Fits 1987 to 1990 YJ Wrangler
      • Fits 1987 to 1990 XJ Cherokee and MJ Comanche
      • Block casting: 535 or 565
      • Horse Power: 270
      • Torque: 320
      • Cylinder Head: Ported OE Cast Iron #686
      • Bore/Stroke: .040-.060 x 3.906
      • Fully remanufactured
      • More low end torque
      • Completely replaces the 4.0L engine
    • ATK NORTH AMERICA AMC 150 Replacement Jeep Engine

      • Fits 1997 to 2002 TJ Wrangler
      • Fits 1997 to 2002 XJ Cherokee
      • 2.5L 150 engine VIN P and H block
      • Block castings: 403
      • Head castings: 403 and 117
      • Crank casting: 904
      • Cam cast: 53020495
      • No oil bypass in the block
      • Short crank snout 2.125"
      • Fully remanufactured assembly
      • Expert craftsmanship
      • Backed by a 3-year unlimited mile warranty
    • ATK NORTH AMERICA AMC 304 Replacement Jeep Engine

      • Fits 1972 to 1982 CJ
      • AMC 304 engine VIN H block
      • Block casting: 3195527
      • Head castings: 3218086, 3233324 and 3231480
      • Crank casting: 3214724
      • Bolt down rockers
      • Fully remanufactured assembly
      • Expert craftsmanship
      • Backed by a 3-year unlimited mile warranty
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