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Cylinder Head

When it comes to internal combustion engines flow is king and cylinder heads are the gate keepers. Performance cylinder heads utilize bigger valves and ports, and are optimized to provide the best flow possible.



    • ATK NORTH AMERICA Cylinder Head

      • Fits 2000 to 2006 TJ Wrangler, Rubicon and Unlimited
      • Fits 2000 to 2001 XJ Cherokee
      • Fits 1999 to 2004 WJ Grand Cherokee
      • 4.0L 6 cylinder engines
      • Head cast #0331
      • Complete with valves and springs
    • ATK NORTH AMERICA Cylinder Head

      • Fits 1988 to 1990 YJ Wrangler
      • Fits 1987 J-series truck
      • 4.2L 6 cylinder engines
      • Complete with valve and springs
    • ATK NORTH AMERICA Cylinder Head

      • Fits 1983 to 1985 CJ
      • Fits 1983 to 1985 SJ Full Size
      • Fits 1983 to 1985 J-series truck
      • 4.2L 6 cylinder engines
      • Head cast# 000, 656 or 480
      • Complete with valve and springs
    • ATK NORTH AMERICA Cylinder Head

      • Fits 2002 to 2004 WJ Grand Cherokee
      • 4.7L V8
      • Right head
      • Complete head including camshaft
    • ATK NORTH AMERICA Cylinder Head

      • Fits 1972 to 1974 SJ Full Size and J-series truck
      • 5.9L V8
      • Left or right head
      • Head cast #090-1,993
    • ATK NORTH AMERICA Cylinder Head

      • Fits 1997 to 1999 TJ Wrangler
      • Fits 1997 to 1999 XJ Cherokee
      • Fits 1996 to 1998 ZJ Grand Cherokee
      • 4.0L 6 cylinder engines
      • Head cast #0630
    • ATK NORTH AMERICA Cylinder Head

      • Fits 2005 WK Grand Cherokee
      • Fits 2002 to 2007 KJ Liberty
      • 3.7L 6 cylinder
      • Right head
      • Head cast #0984AB
      • Complete head including camshaft
    • ATK NORTH AMERICA Cylinder Head

      • Fits 2005 WK Grand Cherokee
      • Fits 2002 to 2007 KJ Liberty
      • 3.7L 6 cylinder
      • Left head
      • Head cast #0983AB
      • Complete head including camshaft
    • ATK NORTH AMERICA Cylinder Head

      • Fits 2002 to 2004 WJ Grand Cherokee
      • 4.7L V8
      • Left head
      • Complete head including camshaft
    • ATK NORTH AMERICA Cylinder Head

      • Fits 1991 to 1995 YJ Wrangler
      • Fits 1991 to 1995 XJ Cherokee
      • Fits 1993 to 1995 ZJ Grand Cherokee
      • Fits 1991 to 1992 MJ Comanche
      • 4.0L 6 cylinder engines
      • Head cast # 7119 or 7120
      • Complete with valves and springs
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