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Panhead Cylinder Heads 3-5/8" Big Bore For Harley-Davidson FL 1963-1965
  • V-Twin Motor Shop Ready single plug type Panheads are assembled and are ready to install
  • Heads are assembled with cast iron guides, valve stem seals, nitrated valves, Shovelhead intake, Panhead Exhaust and stock style springs and retainers
  • Features Shovelhead exhaust pipe flange and intake ports accept Shovelhead o-ring type manifolds
  • Panhead features external oiler for Big Bore applications with up to .450 lift cam
  • These heads require 3-5/8" Big Bore Shovelhead cylinders with 98.6mm cylinders flange
  • Top oiler holes have a 1/8" National Pipe Thread
  • Pipe plugs are installed with 1/8" National Pipe Thread
  • Order rocker arm assembly and stud separately
  • May require outside oiling

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