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3-5/8" Big Bore Cylinder Heads For Harley-Davidson Panhead 1963-1965
  • V-Twin Motor Shop Ready single plug type Panheads are for use with Big Bore shovel head cylinders only
  • Comes assembled and are ready to install
  • Heads are assembled with cast iron guides, valve stem seals, nitrated valves Shovelhead intake and Panhead exhaust, stock style springs and retainers
  • Features Shovelhead exhaust pipe flange and intake ports accept Shovelhead o-ring type manifolds
  • Matched rocker arm assemblies are installed with heat treated studs, nuts and oilers
  • Panheads feature external oiler for Big Bore applications with up to a .450 lift cam
  • Order o-ring type intake manifold separately
  • These heads also accept 3-5/8" big bore Shovelhead cylinders with 98.6mm cylinder flange
  • Top oiler holes have a 1/8" National Pipe Thread
  • 1/8" National Pipe Thread pipe plugs are installed
  • Fits FITS FL 1963-1965 FL models

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